23744007137564 has 36 divisors (see below), whose sum is σ = 48643887297096. Its totient is φ = 10111187739744.

The previous prime is 23744007137551. The next prime is 23744007137581. The reversal of 23744007137564 is 46573170044732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385774622 + ... + 385836165.

It is an arithmetic number, because the mean of its divisors is an integer number (1351219091586).

Almost surely, 2^{23744007137564} is an apocalyptic number.

It is an amenable number.

23744007137564 is an abundant number, since it is smaller than the sum of its proper divisors (24899880159532).

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

23744007137564 is a wasteful number, since it uses less digits than its factorization.

23744007137564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771610962 (or 771610953 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 53.

The spelling of 23744007137564 in words is "twenty-three trillion, seven hundred forty-four billion, seven million, one hundred thirty-seven thousand, five hundred sixty-four".