231252400 has 30 divisors (see below), whose sum is σ = 555584852. Its totient is φ = 92500800.

The previous prime is 231252397. The next prime is 231252421. The reversal of 231252400 is 4252132.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 288666 + ... + 289465.

Almost surely, 2^231252400 is an apocalyptic number.

231252400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231252400 is an abundant number, since it is smaller than the sum of its proper divisors (324332452).

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

231252400 is a wasteful number, since it uses less digits than its factorization.

231252400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578149 (or 578138 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 231252400 is about 15206.9852370547. The cubic root of 231252400 is about 613.8026365067.

The spelling of 231252400 in words is "two hundred thirty-one million, two hundred fifty-two thousand, four hundred".