23297255928 has 24 divisors (see below), whose sum is σ = 63096735000. Its totient is φ = 7765751952.

The previous prime is 23297255911. The next prime is 23297255939. The reversal of 23297255928 is 82955279232.

23297255928 is a `hidden beast` number, since 2 + 3 + 29 + 7 + 25 + 592 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×23297255928² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161786428 + ... + 161786571.

It is an arithmetic number, because the mean of its divisors is an integer number (2629030625).

Almost surely, 2^23297255928 is an apocalyptic number.

It is an amenable number.

23297255928 is an abundant number, since it is smaller than the sum of its proper divisors (39799479072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23297255928 is a wasteful number, since it uses less digits than its factorization.

23297255928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323573011 (or 323573004 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 23297255928 in words is "twenty-three billion, two hundred ninety-seven million, two hundred fifty-five thousand, nine hundred twenty-eight".