23615612512 has 24 divisors (see below), whose sum is σ = 47993020992. Its totient is φ = 11426908800.

The previous prime is 23615612497. The next prime is 23615612533. The reversal of 23615612512 is 21521651632.

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 3 ways as a sum of consecutive naturals, for example, 11902039 + ... + 11904022.

It is an arithmetic number, because the mean of its divisors is an integer number (1999709208).

Almost surely, 2^23615612512 is an apocalyptic number.

It is an amenable number.

23615612512 is an abundant number, since it is smaller than the sum of its proper divisors (24377408480).

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

23615612512 is a wasteful number, since it uses less digits than its factorization.

23615612512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23806102 (or 23806094 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The spelling of 23615612512 in words is "twenty-three billion, six hundred fifteen million, six hundred twelve thousand, five hundred twelve".