23313210257 has 2 divisors, whose sum is σ = 23313210258. Its totient is φ = 23313210256.

The previous prime is 23313210191. The next prime is 23313210269. The reversal of 23313210257 is 75201231332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17440900096 + 5872310161 = 132064^2 + 76631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23313210257 is a prime.

It is not a weakly prime, because it can be changed into another prime (23313212257) 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, 11656605128 + 11656605129.

It is an arithmetic number, because the mean of its divisors is an integer number (11656605129).

Almost surely, 2^23313210257 is an apocalyptic number.

It is an amenable number.

23313210257 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313210257 is an equidigital number, since it uses as much as digits as its factorization.

23313210257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 23313210257 its reverse (75201231332), we get a palindrome (98514441589).

The spelling of 23313210257 in words is "twenty-three billion, three hundred thirteen million, two hundred ten thousand, two hundred fifty-seven".