231796656 has 360 divisors, whose sum is σ = 859840800. Its totient is φ = 57915648.

The previous prime is 231796651. The next prime is 231796687. The reversal of 231796656 is 656697132.

It is not an unprimeable number, because it can be changed into a prime (231796651) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12199815 + ... + 12199833.

Almost surely, 2^231796656 is an apocalyptic number.

231796656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231796656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429920400).

231796656 is an abundant number, since it is smaller than the sum of its proper divisors (628044144).

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

231796656 is a wasteful number, since it uses less digits than its factorization.

231796656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 44 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 231796656 is about 15224.8696546145. The cubic root of 231796656 is about 614.2837904805.

The spelling of 231796656 in words is "two hundred thirty-one million, seven hundred ninety-six thousand, six hundred fifty-six".