231297866800 has 240 divisors, whose sum is σ = 746106746112. Its totient is φ = 66547123200.

The previous prime is 231297866777. The next prime is 231297866809. The reversal of 231297866800 is 8668792132.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (231297866809) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111567 + ... + 689233.

Almost surely, 2^231297866800 is an apocalyptic number.

231297866800 is a gapful number since it is divisible by the number (20) 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 231297866800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373053373056).

231297866800 is an abundant number, since it is smaller than the sum of its proper divisors (514808879312).

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

231297866800 is a wasteful number, since it uses less digits than its factorization.

231297866800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577716 (or 577705 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 231297866800 in words is "two hundred thirty-one billion, two hundred ninety-seven million, eight hundred sixty-six thousand, eight hundred".