232313257 has 16 divisors (see below), whose sum is σ = 264539520. Its totient is φ = 202134400.

The previous prime is 232313251. The next prime is 232313261. The reversal of 232313257 is 752313232.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232313257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232313251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19044 + ... + 28762.

It is an arithmetic number, because the mean of its divisors is an integer number (16533720).

Almost surely, 2^232313257 is an apocalyptic number.

It is an amenable number.

232313257 is a deficient number, since it is larger than the sum of its proper divisors (32226263).

232313257 is a wasteful number, since it uses less digits than its factorization.

232313257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9824.

The product of its digits is 7560, while the sum is 28.

The square root of 232313257 is about 15241.8259076792. The cubic root of 232313257 is about 614.7397995931.

Adding to 232313257 its reverse (752313232), we get a palindrome (984626489).

The spelling of 232313257 in words is "two hundred thirty-two million, three hundred thirteen thousand, two hundred fifty-seven".