232345657 has 2 divisors, whose sum is σ = 232345658. Its totient is φ = 232345656.

The previous prime is 232345637. The next prime is 232345669. The reversal of 232345657 is 756543232.

232345657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126585001 + 105760656 = 11251^2 + 10284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232345657 is a prime.

It is not a weakly prime, because it can be changed into another prime (232345637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116172828 + 116172829.

It is an arithmetic number, because the mean of its divisors is an integer number (116172829).

Almost surely, 2^232345657 is an apocalyptic number.

It is an amenable number.

232345657 is a deficient number, since it is larger than the sum of its proper divisors (1).

232345657 is an equidigital number, since it uses as much as digits as its factorization.

232345657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 37.

The square root of 232345657 is about 15242.8887354071. Note that the first 3 decimals coincide. The cubic root of 232345657 is about 614.7683768740.

Adding to 232345657 its reverse (756543232), we get a palindrome (988888889).

The spelling of 232345657 in words is "two hundred thirty-two million, three hundred forty-five thousand, six hundred fifty-seven".