23290212856 has 16 divisors (see below), whose sum is σ = 43718617800. Its totient is φ = 11631914784.

The previous prime is 23290212853. The next prime is 23290212917. The reversal of 23290212856 is 65821209232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23290212853) 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, 1641451 + ... + 1655578.

Almost surely, 2^23290212856 is an apocalyptic number.

It is an amenable number.

23290212856 is a deficient number, since it is larger than the sum of its proper divisors (20428404944).

23290212856 is a wasteful number, since it uses less digits than its factorization.

23290212856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297918 (or 3297914 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 23290212856 in words is "twenty-three billion, two hundred ninety million, two hundred twelve thousand, eight hundred fifty-six".