23172693904 has 40 divisors (see below), whose sum is σ = 45130593600. Its totient is φ = 11526173568.

The previous prime is 23172693871. The next prime is 23172693923. The reversal of 23172693904 is 40939627132.

It is a super-2 number, since 2×23172693904² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9089622 + ... + 9092170.

It is an arithmetic number, because the mean of its divisors is an integer number (1128264840).

Almost surely, 2^23172693904 is an apocalyptic number.

It is an amenable number.

23172693904 is a deficient number, since it is larger than the sum of its proper divisors (21957899696).

23172693904 is a wasteful number, since it uses less digits than its factorization.

23172693904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287 (or 5281 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 23172693904 in words is "twenty-three billion, one hundred seventy-two million, six hundred ninety-three thousand, nine hundred four".