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23020042023 = 3311177957713
BaseRepresentation
bin10101011100000110…
…011111011100100111
32012102022021022002000
4111130012133130213
5334121112321043
614324131220343
71443313062066
oct253406373447
965368238060
1023020042023
119843239320
1245654476b3
13222b288754
1411854281dd
158eae6d2d3
hex55c19f727

23020042023 has 64 divisors (see below), whose sum is σ = 39891916800. Its totient is φ = 12964423680.

The previous prime is 23020042013. The next prime is 23020042033. The reversal of 23020042023 is 32024002032.

23020042023 is a `hidden beast` number, since 23 + 0 + 200 + 420 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (23020042013) and next prime (23020042033).

It is not a de Polignac number, because 23020042023 - 25 = 23020041991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23020041987 and 23020042005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020042013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 370015 + ... + 427727.

It is an arithmetic number, because the mean of its divisors is an integer number (623311200).

Almost surely, 223020042023 is an apocalyptic number.

23020042023 is a deficient number, since it is larger than the sum of its proper divisors (16871874777).

23020042023 is a wasteful number, since it uses less digits than its factorization.

23020042023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57829 (or 57823 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 23020042023 its reverse (32024002032), we get a palindrome (55044044055).

The spelling of 23020042023 in words is "twenty-three billion, twenty million, forty-two thousand, twenty-three".

Divisors: 1 3 9 11 17 27 33 51 79 99 153 187 237 297 459 561 711 869 1343 1683 2133 2607 4029 5049 7821 12087 14773 23463 36261 44319 57713 132957 173139 398871 519417 634843 981121 1558251 1904529 2943363 4559327 5713587 8830089 10792331 13677981 17140761 26490267 32376993 41033943 50152597 77508559 97130979 123101829 150457791 232525677 291392937 451373373 697577031 852594149 1354120119 2092731093 2557782447 7673347341 23020042023