23489975574 has 96 divisors (see below), whose sum is σ = 55620268704. Its totient is φ = 7121571840.

The previous prime is 23489975569. The next prime is 23489975599. The reversal of 23489975574 is 47557998432.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4829904 + ... + 4834764.

It is an arithmetic number, because the mean of its divisors is an integer number (579377799).

Almost surely, 2^23489975574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23489975574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27810134352).

23489975574 is an abundant number, since it is smaller than the sum of its proper divisors (32130293130).

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

23489975574 is a wasteful number, since it uses less digits than its factorization.

23489975574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5182 (or 5179 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 63.

The spelling of 23489975574 in words is "twenty-three billion, four hundred eighty-nine million, nine hundred seventy-five thousand, five hundred seventy-four".