23299723656 has 64 divisors (see below), whose sum is σ = 70605230400. Its totient is φ = 7060521600.

The previous prime is 23299723607. The next prime is 23299723679. The reversal of 23299723656 is 65632799232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4900765 + ... + 4905516.

It is an arithmetic number, because the mean of its divisors is an integer number (1103206725).

Almost surely, 2^23299723656 is an apocalyptic number.

It is an amenable number.

23299723656 is an abundant number, since it is smaller than the sum of its proper divisors (47305506744).

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

23299723656 is a wasteful number, since it uses less digits than its factorization.

23299723656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9806307 (or 9806297 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 54.

The spelling of 23299723656 in words is "twenty-three billion, two hundred ninety-nine million, seven hundred twenty-three thousand, six hundred fifty-six".