231862443956 has 288 divisors, whose sum is σ = 525589585920. Its totient is φ = 88377868800.

The previous prime is 231862443949. The next prime is 231862443959. The reversal of 231862443956 is 659344268132.

It is a happy number.

231862443956 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 231862443898 and 231862443907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231862443959) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 731427110 + ... + 731427426.

It is an arithmetic number, because the mean of its divisors is an integer number (1824963840).

Almost surely, 2^231862443956 is an apocalyptic number.

231862443956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

231862443956 is an abundant number, since it is smaller than the sum of its proper divisors (293727141964).

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

231862443956 is a wasteful number, since it uses less digits than its factorization.

231862443956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 560 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 53.

The spelling of 231862443956 in words is "two hundred thirty-one billion, eight hundred sixty-two million, four hundred forty-three thousand, nine hundred fifty-six".