234427040257 has 2 divisors, whose sum is σ = 234427040258. Its totient is φ = 234427040256.

The previous prime is 234427040173. The next prime is 234427040291. The reversal of 234427040257 is 752040724432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214488470641 + 19938569616 = 463129^2 + 141204^2 .

It is a cyclic number.

It is not a de Polignac number, because 234427040257 - 2⁷ = 234427040129 is a prime.

It is not a weakly prime, because it can be changed into another prime (234427046257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117213520128 + 117213520129.

It is an arithmetic number, because the mean of its divisors is an integer number (117213520129).

Almost surely, 2^234427040257 is an apocalyptic number.

It is an amenable number.

234427040257 is a deficient number, since it is larger than the sum of its proper divisors (1).

234427040257 is an equidigital number, since it uses as much as digits as its factorization.

234427040257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 40.

Adding to 234427040257 its reverse (752040724432), we get a palindrome (986467764689).

The spelling of 234427040257 in words is "two hundred thirty-four billion, four hundred twenty-seven million, forty thousand, two hundred fifty-seven".