23273648520 has 64 divisors (see below), whose sum is σ = 71444704320. Its totient is φ = 6061972224.

The previous prime is 23273648513. The next prime is 23273648579. The reversal of 23273648520 is 2584637232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2250039 + ... + 2260358.

It is an arithmetic number, because the mean of its divisors is an integer number (1116323505).

Almost surely, 2^23273648520 is an apocalyptic number.

23273648520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23273648520 is an abundant number, since it is smaller than the sum of its proper divisors (48171055800).

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

23273648520 is a wasteful number, since it uses less digits than its factorization.

23273648520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510454 (or 4510450 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 23273648520 in words is "twenty-three billion, two hundred seventy-three million, six hundred forty-eight thousand, five hundred twenty".