23171979528324 has 144 divisors (see below), whose sum is σ = 66036562883200. Its totient is φ = 7021476031680.

The previous prime is 23171979528199. The next prime is 23171979528329. The reversal of 23171979528324 is 42382597917132.

It is a happy number.

23171979528324 is a `hidden beast` number, since 2 + 3 + 1 + 7 + 1 + 9 + 79 + 528 + 32 + 4 = 666.

It is a super-2 number, since 2×23171979528324² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23171979528329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 487530249 + ... + 487577775.

Almost surely, 2^{23171979528324} is an apocalyptic number.

It is an amenable number.

23171979528324 is an abundant number, since it is smaller than the sum of its proper divisors (42864583354876).

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

23171979528324 is a wasteful number, since it uses less digits than its factorization.

23171979528324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84871 (or 84852 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 23171979528324 in words is "twenty-three trillion, one hundred seventy-one billion, nine hundred seventy-nine million, five hundred twenty-eight thousand, three hundred twenty-four".