23659704972 has 18 divisors (see below), whose sum is σ = 59806476548. Its totient is φ = 7886568312.

The previous prime is 23659704949. The next prime is 23659704973. The reversal of 23659704972 is 27940795632.

23659704972 is a `hidden beast` number, since 2 + 3 + 6 + 597 + 0 + 49 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (23659704973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 328606978 + ... + 328607049.

Almost surely, 2^23659704972 is an apocalyptic number.

It is an amenable number.

23659704972 is an abundant number, since it is smaller than the sum of its proper divisors (36146771576).

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

23659704972 is a wasteful number, since it uses less digits than its factorization.

23659704972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657214037 (or 657214032 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 23659704972 in words is "twenty-three billion, six hundred fifty-nine million, seven hundred four thousand, nine hundred seventy-two".