231663992832 has 414 divisors, whose sum is σ = 747877868478. Its totient is φ = 68853694464.

The previous prime is 231663992803. The next prime is 231663992867. The reversal of 231663992832 is 238299366132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 218036699136 + 13627293696 = 466944^2 + 116736^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12192841719 + ... + 12192841737.

Almost surely, 2^231663992832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231663992832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373938934239).

231663992832 is an abundant number, since it is smaller than the sum of its proper divisors (516213875646).

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

231663992832 is an frugal number, since it uses more digits than its factorization.

231663992832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 41 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The spelling of 231663992832 in words is "two hundred thirty-one billion, six hundred sixty-three million, nine hundred ninety-two thousand, eight hundred thirty-two".