23613850564 has 12 divisors (see below), whose sum is σ = 41328741888. Its totient is φ = 11805638600.

The previous prime is 23613850543. The next prime is 23613850567. The reversal of 23613850564 is 46505831632.

It is a super-2 number, since 2×23613850564² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23613850564.

It is not an unprimeable number, because it can be changed into a prime (23613850567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279772 + ... + 354259.

It is an arithmetic number, because the mean of its divisors is an integer number (3444061824).

Almost surely, 2^23613850564 is an apocalyptic number.

It is an amenable number.

23613850564 is a deficient number, since it is larger than the sum of its proper divisors (17714891324).

23613850564 is a wasteful number, since it uses less digits than its factorization.

23613850564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643346 (or 643344 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 23613850564 in words is "twenty-three billion, six hundred thirteen million, eight hundred fifty thousand, five hundred sixty-four".