253453431323 has 2 divisors, whose sum is σ = 253453431324. Its totient is φ = 253453431322.

The previous prime is 253453431229. The next prime is 253453431379. The reversal of 253453431323 is 323134354352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253453431323 - 2⁸ = 253453431067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (253453431923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126726715661 + 126726715662.

It is an arithmetic number, because the mean of its divisors is an integer number (126726715662).

Almost surely, 2^253453431323 is an apocalyptic number.

253453431323 is a deficient number, since it is larger than the sum of its proper divisors (1).

253453431323 is an equidigital number, since it uses as much as digits as its factorization.

253453431323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 38.

Adding to 253453431323 its reverse (323134354352), we get a palindrome (576587785675).

The spelling of 253453431323 in words is "two hundred fifty-three billion, four hundred fifty-three million, four hundred thirty-one thousand, three hundred twenty-three".