23664218032 has 80 divisors (see below), whose sum is σ = 58250493952. Its totient is φ = 9059662080.

The previous prime is 23664217981. The next prime is 23664218033. The reversal of 23664218032 is 23081246632.

It is a junction number, because it is equal to n+sod(n) for n = 23664217982 and 23664218000.

It is not an unprimeable number, because it can be changed into a prime (23664218033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217008 + ... + 307279.

Almost surely, 2^23664218032 is an apocalyptic number.

It is an amenable number.

23664218032 is an abundant number, since it is smaller than the sum of its proper divisors (34586275920).

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

23664218032 is a wasteful number, since it uses less digits than its factorization.

23664218032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524346 (or 524340 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 23664218032 in words is "twenty-three billion, six hundred sixty-four million, two hundred eighteen thousand, thirty-two".