23827318321 has 9 divisors (see below), whose sum is σ = 23999737881. Its totient is φ = 23656131972.

The previous prime is 23827318289. The next prime is 23827318331. The reversal of 23827318321 is 12381372832.

The square root of 23827318321 is 154361.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 23827318321 - 2⁵ = 23827318289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23827318331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25160370 + ... + 25161316.

Almost surely, 2^23827318321 is an apocalyptic number.

23827318321 is the 154361-st square number.

23827318321 is the 77181-st centered octagonal number.

It is an amenable number.

23827318321 is a deficient number, since it is larger than the sum of its proper divisors (172419560).

23827318321 is an frugal number, since it uses more digits than its factorization.

23827318321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220 (or 1110 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The spelling of 23827318321 in words is "twenty-three billion, eight hundred twenty-seven million, three hundred eighteen thousand, three hundred twenty-one".