23215552656 has 20 divisors (see below), whose sum is σ = 59973511152. Its totient is φ = 7738517536.

The previous prime is 23215552627. The next prime is 23215552673. The reversal of 23215552656 is 65625551232.

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, 241828626 + ... + 241828721.

Almost surely, 2^23215552656 is an apocalyptic number.

It is an amenable number.

23215552656 is an abundant number, since it is smaller than the sum of its proper divisors (36757958496).

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

23215552656 is a wasteful number, since it uses less digits than its factorization.

23215552656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483657358 (or 483657352 counting only the distinct ones).

The product of its digits is 540000, while the sum is 42.

The spelling of 23215552656 in words is "twenty-three billion, two hundred fifteen million, five hundred fifty-two thousand, six hundred fifty-six".