230444442257 has 2 divisors, whose sum is σ = 230444442258. Its totient is φ = 230444442256.

The previous prime is 230444442247. The next prime is 230444442269. The reversal of 230444442257 is 752244444032.

230444442257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177334474321 + 53109967936 = 421111^2 + 230456^2 .

It is a cyclic number.

It is not a de Polignac number, because 230444442257 - 2³² = 226149474961 is a prime.

It is not a weakly prime, because it can be changed into another prime (230444442247) 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, 115222221128 + 115222221129.

It is an arithmetic number, because the mean of its divisors is an integer number (115222221129).

Almost surely, 2^230444442257 is an apocalyptic number.

It is an amenable number.

230444442257 is a deficient number, since it is larger than the sum of its proper divisors (1).

230444442257 is an equidigital number, since it uses as much as digits as its factorization.

230444442257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 860160, while the sum is 41.

Adding to 230444442257 its reverse (752244444032), we get a palindrome (982688886289).

The spelling of 230444442257 in words is "two hundred thirty billion, four hundred forty-four million, four hundred forty-two thousand, two hundred fifty-seven".