23137025464 has 32 divisors (see below), whose sum is σ = 49602797280. Its totient is φ = 9911176704.

The previous prime is 23137025447. The next prime is 23137025567. The reversal of 23137025464 is 46452073132.

It is a congruent number.

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, 23004 + ... + 216340.

It is an arithmetic number, because the mean of its divisors is an integer number (1550087415).

Almost surely, 2^23137025464 is an apocalyptic number.

It is an amenable number.

23137025464 is an abundant number, since it is smaller than the sum of its proper divisors (26465771816).

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

23137025464 is a wasteful number, since it uses less digits than its factorization.

23137025464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195487 (or 195483 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

Adding to 23137025464 its reverse (46452073132), we get a palindrome (69589098596).

The spelling of 23137025464 in words is "twenty-three billion, one hundred thirty-seven million, twenty-five thousand, four hundred sixty-four".