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123

Number 123 (one hundred twenty-three) is an odd three-digits composite number and natural number following 122 and preceding 124.

Properties of the number 123

Nominal123
Cardinalone hundred twenty-three
Cardinal
one hundred twenty-three
Ordinal123rd
Number of digits3
Sum of digits6
Product of digits6
Number parityOdd
Calculation was done in 0.0000360012 seconds

Prime Factorization of 123

Prime factorization3 x 41
Prime factors3, 41
Number of distinct prime factors ω(n)2
Total number of prime factors Ω(n)2
Sum of prime factors44
Product of prime factors123
Calculation was done in 0.0000169277 seconds

Divisors of 123

List of proper divisors 1, 3, 41
List of all dividers1, 3, 41, 123
Number of divisors d(n)4
Sum of all divisors σ(n)168
Aliquot sum 45
123 is a deficient number , since it is larger than the sum of its proper divisors (45). Its deficiency is 78.
Calculation was done in 0.0000121593 seconds

Prime numbers

Is 123 a prime number?No
Is 123 a semiprime number?Yes
Is 123 a Chen prime number?No
Is 123 a Mersenne prime number?No
Calculation was done in 0.0000200272 seconds

Sequences

Is 123 a Catalan number?No
Is 123 a Fibonacci number?No
Is 123 a Idoneal number?No
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Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
123 is not a Happy number
123 is not a Humble number
123 is not a Münchhausen number
123 is not a Perfect number
123 is not a Perfect square
123 is not a Palindrome
Calculation was done in 0.0093030930 seconds

Numeric Bases of 123

In mathematics, a base or radix of a numeral system is the number of unique digits, including zero, used to represent numbers in that system.
BaseSystemValue
2Binary11110112
3Ternary111203
4Quaternary13234
5Quinary4435
6Senary3236
7Septenary2347
8Octal1738
9Nonary1469
10Decimal123
12Duodecimala312
16Hexadecimal7b16
20Vigesimal6320
36Base363f36
60Sexagesimal2360
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Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
Square of 123 (n2)15129
Cube of 123 (n3)1860867
Square root of 12311.090536506409
Natural Logarithm (ln) of 1234.8121843553724
Decimal Logarithm (log) of 1232.0899051114394
Calculation was done in 0.0000059605 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 123-0.45990349068959
Cosecant of 123-2.1743692323374
Cosine of 123-0.88796890669186
Secant of 123-1.1261655587981
Tangent of 1230.51792747158566
Cotangent of 1231.930772269983
Calculation was done in 0.0000162125 seconds

Number parity

Parity is the property of an integer of whether it is even or odd.

Is 123 an Even Number?

No

Is 123 an Odd Number?

Yes, the number 123 is an odd number.
Total number of all odd numbers from 1 to 123 is 62
Sum of all the odd numbers from 1 to 123 are 3844
The sum of all odd numbers is a perfect square: 3844 = 62
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.
Calculation was done in 0.0000069141 seconds

Ban number

In recreational mathematics, a ban number is a number that does not contain a particular letter when spelled out in English; in other words, the letter is "banned".
The spelling of 123 in words is "one hundred twenty-three", meaning that:
123 is an aban number (a number without the letter a)
123 is not an eban number (as it contains the letter e)
123 is an iban number (a number without the letter i)
123 is not an oban number (as it contains the letter o)
123 is not a tban number (as it contains the letter t)
123 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000040531 seconds

Numeral systems

How to write 123 in other number systems?
Bengali numerals১২৩
Eastern Arabic numerals١٢٣
Hieroglyphs numeralsused in Ancient Egypt𓍢𓎇𓏼
Khmer numerals១២៣
Japanese numerals百二十三
Roman numeralsCXXIII
Thai numerals๑๒๓
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Translation

How do you say 123 in 38 different languages?
Arabicمائة و ثلاثة و عشرون
Croatiansto dvadeset i tri
Czechsto dvacet tři
Danish et hundrede tre og tyve
Dutchhonderddrieentwintig
Estonianalafa ɖeka blaeve vɔ etɔ̃
Faroeseeitt­hundrað­og­tjúgo­tríggir
Filipinoisáng daán at dalawáng pû’t tatló
Finnishsata­kaksi­kymmentä­kolme
Frenchcent vingt-trois
Greekεκατόν είκοσι τρία
Germanein­hundert­drei­und­zwanzig
Hebrewמאה עשרים ושלוש
Hindiएक सौ तेईस
Hungarianszáz­huszon­három
Icelandiceitt­hundrað og tuttugu og þrír
Indonesianseratus dua puluh tiga
Italiancentoventitre
Japanese百二十三
Korean백이십삼
Latviansimt divdesmit trīs
Lithuanianšimtas dvidešimt trys
Norwegianhundre og tjue­tre
Persianصد و بیست و سه
Polishsto dwadzieścia trzy
Portuguesecento e vinte e três
Romanianuna sută douăzeci şi trei
Russianсто двадцать три
Serbianсто двадесет и три
Slovakjedna­sto dvadsať­tri
Slovenesto dvaset tri
Spanish ciento veintitres
Swahilimia moja na ishirini na tatu
Swedishenhundratjugotre
Thaiหนึ่ง​ร้อย​ยี่​สิบ​สาม
Turkishyüz yirmi üç
Ukrainianсто двадцять три
Vietnamesemột trăm hai mươi ba
Calculation was done in 0.0169999599 seconds

Miscellaneous

Number 123 reversed321
ASCII Code123{
Unicode CharacterU+007B{
Hexadecimal color (shorthand)#112233
Unix TimestampThu, 01 Jan 1970 00:02:03 +0000
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