23513428938 has 16 divisors (see below), whose sum is σ = 47033437536. Its totient is φ = 7836713040.

The previous prime is 23513428919. The next prime is 23513428949. The reversal of 23513428938 is 83982431532.

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, 227073 + ... + 313988.

It is an arithmetic number, because the mean of its divisors is an integer number (2939589846).

Almost surely, 2^23513428938 is an apocalyptic number.

23513428938 is an abundant number, since it is smaller than the sum of its proper divisors (23520008598).

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

23513428938 is a wasteful number, since it uses less digits than its factorization.

23513428938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548309.

The product of its digits is 1244160, while the sum is 48.

The spelling of 23513428938 in words is "twenty-three billion, five hundred thirteen million, four hundred twenty-eight thousand, nine hundred thirty-eight".