23656514564 has 12 divisors (see below), whose sum is σ = 41411994624. Its totient is φ = 11824516104.

The previous prime is 23656514537. The next prime is 23656514573. The reversal of 23656514564 is 46541565632.

It is a super-2 number, since 2×23656514564² (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 3 ways as a sum of consecutive naturals, for example, 921044 + ... + 946379.

It is an arithmetic number, because the mean of its divisors is an integer number (3450999552).

Almost surely, 2^23656514564 is an apocalyptic number.

It is an amenable number.

23656514564 is a deficient number, since it is larger than the sum of its proper divisors (17755480060).

23656514564 is a wasteful number, since it uses less digits than its factorization.

23656514564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870594 (or 1870592 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 47.

The spelling of 23656514564 in words is "twenty-three billion, six hundred fifty-six million, five hundred fourteen thousand, five hundred sixty-four".