230712644 has 12 divisors (see below), whose sum is σ = 427497084. Its totient is φ = 108570624.

The previous prime is 230712641. The next prime is 230712659. The reversal of 230712644 is 446217032.

It can be written as a sum of positive squares in 2 ways, for example, as 137358400 + 93354244 = 11720^2 + 9662^2 .

It is not an unprimeable number, because it can be changed into a prime (230712641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696349 + ... + 1696484.

It is an arithmetic number, because the mean of its divisors is an integer number (35624757).

Almost surely, 2^230712644 is an apocalyptic number.

It is an amenable number.

230712644 is a deficient number, since it is larger than the sum of its proper divisors (196784440).

230712644 is a wasteful number, since it uses less digits than its factorization.

230712644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392854 (or 3392852 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 230712644 is about 15189.2278934777. The cubic root of 230712644 is about 613.3247146184.

Adding to 230712644 its reverse (446217032), we get a palindrome (676929676).

The spelling of 230712644 in words is "two hundred thirty million, seven hundred twelve thousand, six hundred forty-four".