23873973220 has 24 divisors (see below), whose sum is σ = 50139190584. Its totient is φ = 9548856576.

The previous prime is 23873973169. The next prime is 23873973257. The reversal of 23873973220 is 2237937832.

It can be written as a sum of positive squares in 4 ways, for example, as 2387690496 + 21486282724 = 48864^2 + 146582^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276814 + ... + 352666.

It is an arithmetic number, because the mean of its divisors is an integer number (2089132941).

Almost surely, 2^23873973220 is an apocalyptic number.

23873973220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23873973220 is an abundant number, since it is smaller than the sum of its proper divisors (26265217364).

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

23873973220 is a wasteful number, since it uses less digits than its factorization.

23873973220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91599 (or 91597 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 23873973220 in words is "twenty-three billion, eight hundred seventy-three million, nine hundred seventy-three thousand, two hundred twenty".