23156015146624 has 64 divisors (see below), whose sum is σ = 48570010221600. Its totient is φ = 10966169318400.

The previous prime is 23156015146619. The next prime is 23156015146631. The reversal of 23156015146624 is 42664151065132.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9755254 + ... + 11894410.

Almost surely, 2^{23156015146624} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23156015146624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24285005110800).

23156015146624 is an abundant number, since it is smaller than the sum of its proper divisors (25413995074976).

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

23156015146624 is a wasteful number, since it uses less digits than its factorization.

23156015146624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143641 (or 2143629 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 23156015146624 in words is "twenty-three trillion, one hundred fifty-six billion, fifteen million, one hundred forty-six thousand, six hundred twenty-four".