250431323 has 2 divisors, whose sum is σ = 250431324. Its totient is φ = 250431322.

The previous prime is 250431289. The next prime is 250431331. The reversal of 250431323 is 323134052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 250431323 - 2⁸ = 250431067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (250431373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125215661 + 125215662.

It is an arithmetic number, because the mean of its divisors is an integer number (125215662).

Almost surely, 2^250431323 is an apocalyptic number.

250431323 is a deficient number, since it is larger than the sum of its proper divisors (1).

250431323 is an equidigital number, since it uses as much as digits as its factorization.

250431323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 250431323 is about 15825.0220536971. The cubic root of 250431323 is about 630.3226054137.

Adding to 250431323 its reverse (323134052), we get a palindrome (573565375).

The spelling of 250431323 in words is "two hundred fifty million, four hundred thirty-one thousand, three hundred twenty-three".