23125509664 has 48 divisors (see below), whose sum is σ = 46102694400. Its totient is φ = 11417656320.

The previous prime is 23125509599. The next prime is 23125509677. The reversal of 23125509664 is 46690552132.

It is a self number, because there is not a number n which added to its sum of digits gives 23125509664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968137 + ... + 991735.

It is an arithmetic number, because the mean of its divisors is an integer number (960472800).

Almost surely, 2^23125509664 is an apocalyptic number.

It is an amenable number.

23125509664 is a deficient number, since it is larger than the sum of its proper divisors (22977184736).

23125509664 is a wasteful number, since it uses less digits than its factorization.

23125509664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23993 (or 23985 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 23125509664 in words is "twenty-three billion, one hundred twenty-five million, five hundred nine thousand, six hundred sixty-four".