23013454872 has 128 divisors (see below), whose sum is σ = 61653196800. Its totient is φ = 7145971200.

The previous prime is 23013454831. The next prime is 23013454901. The reversal of 23013454872 is 27845431032.

It is a self number, because there is not a number n which added to its sum of digits gives 23013454872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2127654 + ... + 2138442.

It is an arithmetic number, because the mean of its divisors is an integer number (481665600).

Almost surely, 2^23013454872 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 23013454872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30826598400).

23013454872 is an abundant number, since it is smaller than the sum of its proper divisors (38639741928).

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

23013454872 is a wasteful number, since it uses less digits than its factorization.

23013454872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10937 (or 10933 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 23013454872 in words is "twenty-three billion, thirteen million, four hundred fifty-four thousand, eight hundred seventy-two".