| Nominal | 28123 |
| Cardinal | twenty-eight thousand one hundred twenty-three |
Cardinal twenty-eight thousand one hundred twenty-three | |
| Ordinal | 28,123rd |
| Number of digits | 5 |
| Sum of digits | 16 |
| Product of digits | 96 |
| Number parity | Odd |
| Prime factorization | 28123 |
| Prime factors | 28123 |
| Number of distinct prime factors ω(n) | 1 |
| Total number of prime factors Ω(n) | 1 |
| Sum of prime factors | 28123 |
| Product of prime factors | 28123 |
| Is 28123 a prime number? | Yes |
| Is 28123 a semiprime number? | No |
| Is 28123 a Chen prime number? | No |
| Is 28123 a Mersenne prime number? | No |
| Is 28123 a Catalan number? | No |
| Is 28123 a Fibonacci number? | No |
| Is 28123 a Idoneal number? | No |
| Square of 28123 (n2) | 790903129 |
| Cube of 28123 (n3) | 22242568696867 |
| Square root of 28123 | 167.69913535853 |
| Natural Logarithm (ln) of 28123 | 10.244343025867 |
| Decimal Logarithm (log) of 28123 | 4.4490616468581 |
| Sine of 28123 | -0.51193422486616 |
| Cosecant of 28123 | -1.9533759444613 |
| Cosine of 28123 | 0.85902465005999 |
| Secant of 28123 | 1.1641109483065 |
| Tangent of 28123 | -0.5959482359795 |
| Cotangent of 28123 | -1.6779980871265 |
| The spelling of 28123 in words is "twenty-eight thousand one hundred twenty-three", meaning that: |
| 28123 is not an aban number (as it contains the letter a) |
| 28123 is not an eban number (as it contains the letter e) |
| 28123 is not an iban number (as it contains the letter i) |
| 28123 is not an oban number (as it contains the letter o) |
| 28123 is not a tban number (as it contains the letter t) |
| 28123 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২৮১২৩ |
| Eastern Arabic numerals | ٢٨٬١٢٣ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎇𓏼 |
| Khmer numerals | ២៨១២៣ |
| Japanese numerals | 二万八千百二十三 |
| Roman numerals | n/a |
| Thai numerals | ๒๘๑๒๓ |
| Arabic | ثمانية و عشرون ألف و مائة و ثلاثة و عشرون |
| Croatian | dvadeset i osam tisuća sto dvadeset i tri |
| Czech | dvacet osm tisíc sto dvacet tři |
| Danish | otte og tyve tusinde et hundrede tre og tyve |
| Dutch | achtentwintigduizend honderddrieentwintig |
| Estonian | akpe blaeve vɔ enyi alafa ɖeka blaeve vɔ etɔ̃ |
| Faroese | tjúgoátta tusin og eitthundraðogtjúgotríggir |
| Filipino | dalawáng pû’t walóng libó’t isáng daán at dalawáng pû’t tatló |
| Finnish | kaksikymmentäkahdeksantuhattasatakaksikymmentäkolme |
| French | vingt-huit mille cent vingt-trois |
| Greek | είκοσι οκτώ χίλιάδες εκατόν είκοσι τρία |
| German | achtundzwanzigtausendeinhundertdreiundzwanzig |
| Hebrew | עשרים ושמונה אלף מאה עשרים ושלוש |
| Hindi | अट्ठाईस हज़ार एक सौ तेईस |
| Hungarian | huszonnyolcezerszázhuszonhárom |
| Icelandic | tuttugu og átta þúsund og eitthundrað og tuttugu og þrír |
| Indonesian | dua puluh delapan ribu seratus dua puluh tiga |
| Italian | ventottomilacentoventitre |
| Japanese | 二万八千百二十三 |
| Korean | 이만 팔천백이십삼 |
| Latvian | divdesmit astoņi tūkstoši simt divdesmit trīs |
| Lithuanian | dvidešimt aštuoni tūkstančiai šimtas dvidešimt trys |
| Norwegian | tjueåtte tusen hundre og tjuetre |
| Persian | بیست و هشت هزار و صد و بیست و سه |
| Polish | dwadzieścia osiem tysięcy sto dwadzieścia trzy |
| Portuguese | vinte e oito mil cento e vinte e três |
| Romanian | douăzeci şi opt mii una sută douăzeci şi trei |
| Russian | двадцать восемь тысяч сто двадцать три |
| Serbian | двадесет и осам хиљада сто двадесет и три |
| Slovak | dvadsaťosem tisíc jednasto dvadsaťtri |
| Slovene | dvaset osem tisuću sto dvaset tri |
| Spanish | veintiocho mil ciento veintitres |
| Swahili | elfu ishirini na nane, mia moja na ishirini na tatu |
| Swedish | tjugoåttatusenenhundratjugotre |
| Thai | สองหมื่นแปดพันหนึ่งร้อยยี่สิบสาม |
| Turkish | yirmi sekiz bin yüz yirmi üç |
| Ukrainian | двадцять вісім тисяч сто двадцять три |
| Vietnamese | hai mươi tám nghìn một trăm hai mươi ba |
| Number 28123 reversed | 32182 | |
| Unicode Character | U+6DDB | 淛 |
| Unix Timestamp | Thu, 01 Jan 1970 07:48:43 +0000 | |