23658693928 has 32 divisors (see below), whose sum is σ = 45995884200. Its totient is φ = 11395012608.

The previous prime is 23658693907. The next prime is 23658693937. The reversal of 23658693928 is 82939685632.

It can be written as a sum of positive squares in 4 ways, for example, as 18511779364 + 5146914564 = 136058^2 + 71742^2 .

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, 17301 + ... + 218212.

Almost surely, 2^23658693928 is an apocalyptic number.

It is an amenable number.

23658693928 is a deficient number, since it is larger than the sum of its proper divisors (22337190272).

23658693928 is a wasteful number, since it uses less digits than its factorization.

23658693928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235981 (or 235977 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 61.

The spelling of 23658693928 in words is "twenty-three billion, six hundred fifty-eight million, six hundred ninety-three thousand, nine hundred twenty-eight".