23130558504 has 128 divisors (see below), whose sum is σ = 68233104000. Its totient is φ = 7239601152.

The previous prime is 23130558481. The next prime is 23130558533. The reversal of 23130558504 is 40585503132.

23130558504 is a `hidden beast` number, since 23 + 1 + 30 + 558 + 50 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 438814 + ... + 488690.

It is an arithmetic number, because the mean of its divisors is an integer number (533071125).

Almost surely, 2^23130558504 is an apocalyptic number.

23130558504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23130558504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34116552000).

23130558504 is an abundant number, since it is smaller than the sum of its proper divisors (45102545496).

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

23130558504 is a wasteful number, since it uses less digits than its factorization.

23130558504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50024 (or 50014 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 23130558504 in words is "twenty-three billion, one hundred thirty million, five hundred fifty-eight thousand, five hundred four".