231975730800 has 360 divisors, whose sum is σ = 885480053328. Its totient is φ = 56235379200.

The previous prime is 231975730703. The next prime is 231975730817. The reversal of 231975730800 is 8037579132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4767394 + ... + 4815806.

Almost surely, 2^231975730800 is an apocalyptic number.

231975730800 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 231975730800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442740026664).

231975730800 is an abundant number, since it is smaller than the sum of its proper divisors (653504322528).

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

231975730800 is a wasteful number, since it uses less digits than its factorization.

231975730800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48470 (or 48434 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 231975730800 in words is "two hundred thirty-one billion, nine hundred seventy-five million, seven hundred thirty thousand, eight hundred".