23309759564 has 24 divisors (see below), whose sum is σ = 50205636768. Its totient is φ = 9221443200.

The previous prime is 23309759509. The next prime is 23309759573. The reversal of 23309759564 is 46595790332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32018537 + ... + 32019264.

It is an arithmetic number, because the mean of its divisors is an integer number (2091901532).

Almost surely, 2^23309759564 is an apocalyptic number.

It is an amenable number.

23309759564 is an abundant number, since it is smaller than the sum of its proper divisors (26895877204).

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

23309759564 is a wasteful number, since it uses less digits than its factorization.

23309759564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64037825 (or 64037823 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 53.

The spelling of 23309759564 in words is "twenty-three billion, three hundred nine million, seven hundred fifty-nine thousand, five hundred sixty-four".