231323611747575 has 24 divisors (see below), whose sum is σ = 382523788561408. Its totient is φ = 123350415360480.

The previous prime is 231323611747559. The next prime is 231323611747589. The reversal of 231323611747575 is 575747116323132.

It is not a de Polignac number, because 231323611747575 - 2⁴ = 231323611747559 is a prime.

It is a super-2 number, since 2×231323611747575² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276799639 + ... + 277634088.

Almost surely, 2^{231323611747575} is an apocalyptic number.

231323611747575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231323611747575 is a deficient number, since it is larger than the sum of its proper divisors (151200176813833).

231323611747575 is a wasteful number, since it uses less digits than its factorization.

231323611747575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554439303 (or 554439298 counting only the distinct ones).

The product of its digits is 22226400, while the sum is 57.

The spelling of 231323611747575 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, six hundred eleven million, seven hundred forty-seven thousand, five hundred seventy-five".