231578430433460 has 48 divisors (see below), whose sum is σ = 539517082950720. Its totient is φ = 82783044464640.

The previous prime is 231578430433433. The next prime is 231578430433501. The reversal of 231578430433460 is 64334034875132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8920573709 + ... + 8920599668.

It is an arithmetic number, because the mean of its divisors is an integer number (11239939228140).

Almost surely, 2^{231578430433460} is an apocalyptic number.

231578430433460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231578430433460 is an abundant number, since it is smaller than the sum of its proper divisors (307938652517260).

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

231578430433460 is a wasteful number, since it uses less digits than its factorization.

231578430433460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17841173456 (or 17841173454 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 53.

The spelling of 231578430433460 in words is "two hundred thirty-one trillion, five hundred seventy-eight billion, four hundred thirty million, four hundred thirty-three thousand, four hundred sixty".