23158457500 has 60 divisors (see below), whose sum is σ = 52389386280. Its totient is φ = 8943928000.

The previous prime is 23158457459. The next prime is 23158457593. The reversal of 23158457500 is 575485132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 87214 + ... + 232213.

It is an arithmetic number, because the mean of its divisors is an integer number (873156438).

Almost surely, 2^23158457500 is an apocalyptic number.

23158457500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23158457500 is an abundant number, since it is smaller than the sum of its proper divisors (29230928780).

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

23158457500 is a wasteful number, since it uses less digits than its factorization.

23158457500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319480 (or 319463 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 23158457500 in words is "twenty-three billion, one hundred fifty-eight million, four hundred fifty-seven thousand, five hundred".