230311864 has 8 divisors (see below), whose sum is σ = 431834760. Its totient is φ = 115155928.

The previous prime is 230311849. The next prime is 230311867. The reversal of 230311864 is 468113032.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230311867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14394484 + ... + 14394499.

It is an arithmetic number, because the mean of its divisors is an integer number (53979345).

Almost surely, 2^230311864 is an apocalyptic number.

It is an amenable number.

230311864 is a deficient number, since it is larger than the sum of its proper divisors (201522896).

230311864 is a wasteful number, since it uses less digits than its factorization.

230311864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28788989 (or 28788985 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 230311864 is about 15176.0292566929. The cubic root of 230311864 is about 612.9693652875.

Adding to 230311864 its reverse (468113032), we get a palindrome (698424896).

The spelling of 230311864 in words is "two hundred thirty million, three hundred eleven thousand, eight hundred sixty-four".