230412257 has 2 divisors, whose sum is σ = 230412258. Its totient is φ = 230412256.

The previous prime is 230412241. The next prime is 230412307. The reversal of 230412257 is 752214032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206899456 + 23512801 = 14384^2 + 4849^2 .

It is a cyclic number.

It is not a de Polignac number, because 230412257 - 2⁴ = 230412241 is a prime.

It is not a weakly prime, because it can be changed into another prime (230415257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115206128 + 115206129.

It is an arithmetic number, because the mean of its divisors is an integer number (115206129).

Almost surely, 2^230412257 is an apocalyptic number.

It is an amenable number.

230412257 is a deficient number, since it is larger than the sum of its proper divisors (1).

230412257 is an equidigital number, since it uses as much as digits as its factorization.

230412257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 230412257 is about 15179.3365138269. The cubic root of 230412257 is about 613.0584168502.

Adding to 230412257 its reverse (752214032), we get a palindrome (982626289).

The spelling of 230412257 in words is "two hundred thirty million, four hundred twelve thousand, two hundred fifty-seven".