231882945579 has 12 divisors (see below), whose sum is σ = 335323961856. Its totient is φ = 154412355312.

The previous prime is 231882945523. The next prime is 231882945617. The reversal of 231882945579 is 975549288132.

231882945579 is a `hidden beast` number, since 2 + 3 + 18 + 8 + 2 + 9 + 45 + 579 = 666.

It is not a de Polignac number, because 231882945579 - 2⁷ = 231882945451 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (231882945379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14681259 + ... + 14697044.

It is an arithmetic number, because the mean of its divisors is an integer number (27943663488).

Almost surely, 2^231882945579 is an apocalyptic number.

231882945579 is a deficient number, since it is larger than the sum of its proper divisors (103441016277).

231882945579 is a wasteful number, since it uses less digits than its factorization.

231882945579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29379186 (or 29379183 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 231882945579 in words is "two hundred thirty-one billion, eight hundred eighty-two million, nine hundred forty-five thousand, five hundred seventy-nine".