231323700 has 36 divisors (see below), whose sum is σ = 669297440. Its totient is φ = 61686240.

The previous prime is 231323699. The next prime is 231323717. The reversal of 231323700 is 7323132.

231323700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385240 + ... + 385839.

Almost surely, 2^231323700 is an apocalyptic number.

231323700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231323700 is an abundant number, since it is smaller than the sum of its proper divisors (437973740).

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

231323700 is a wasteful number, since it uses less digits than its factorization.

231323700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771096 (or 771089 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 231323700 is about 15209.3293737758. The cubic root of 231323700 is about 613.8657127976.

Adding to 231323700 its reverse (7323132), we get a palindrome (238646832).

The spelling of 231323700 in words is "two hundred thirty-one million, three hundred twenty-three thousand, seven hundred".