231663725700 has 288 divisors, whose sum is σ = 768610805760. Its totient is φ = 53324620800.

The previous prime is 231663725681. The next prime is 231663725717. The reversal of 231663725700 is 7527366132.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10387161 + ... + 10409439.

It is an arithmetic number, because the mean of its divisors is an integer number (2668787520).

Almost surely, 2^231663725700 is an apocalyptic number.

231663725700 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 231663725700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384305402880).

231663725700 is an abundant number, since it is smaller than the sum of its proper divisors (536947080060).

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

231663725700 is a wasteful number, since it uses less digits than its factorization.

231663725700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22467 (or 22460 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 231663725700 in words is "two hundred thirty-one billion, six hundred sixty-three million, seven hundred twenty-five thousand, seven hundred".