23550515900 has 18 divisors (see below), whose sum is σ = 51104619720. Its totient is φ = 9420206320.

The previous prime is 23550515869. The next prime is 23550515917. The reversal of 23550515900 is 951505532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117752480 + ... + 117752679.

It is an arithmetic number, because the mean of its divisors is an integer number (2839145540).

Almost surely, 2^23550515900 is an apocalyptic number.

23550515900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23550515900 is an abundant number, since it is smaller than the sum of its proper divisors (27554103820).

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

23550515900 is a wasteful number, since it uses less digits than its factorization.

23550515900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235505173 (or 235505166 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 35.

The spelling of 23550515900 in words is "twenty-three billion, five hundred fifty million, five hundred fifteen thousand, nine hundred".