23665217204 has 12 divisors (see below), whose sum is σ = 41415224928. Its totient is φ = 11832295800.

The previous prime is 23665217197. The next prime is 23665217207. The reversal of 23665217204 is 40271256632.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23665217207) 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, 210209 + ... + 302519.

It is an arithmetic number, because the mean of its divisors is an integer number (3451268744).

Almost surely, 2^23665217204 is an apocalyptic number.

It is an amenable number.

23665217204 is a deficient number, since it is larger than the sum of its proper divisors (17750007724).

23665217204 is a wasteful number, since it uses less digits than its factorization.

23665217204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156406 (or 156404 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 23665217204 in words is "twenty-three billion, six hundred sixty-five million, two hundred seventeen thousand, two hundred four".