23313223657 has 2 divisors, whose sum is σ = 23313223658. Its totient is φ = 23313223656.

The previous prime is 23313223643. The next prime is 23313223669. The reversal of 23313223657 is 75632231332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22746974041 + 566249616 = 150821^2 + 23796^2 .

It is a cyclic number.

It is not a de Polignac number, because 23313223657 - 2¹⁵ = 23313190889 is a prime.

It is not a weakly prime, because it can be changed into another prime (23313223057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656611828 + 11656611829.

It is an arithmetic number, because the mean of its divisors is an integer number (11656611829).

Almost surely, 2^23313223657 is an apocalyptic number.

It is an amenable number.

23313223657 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313223657 is an equidigital number, since it uses as much as digits as its factorization.

23313223657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 37.

Adding to 23313223657 its reverse (75632231332), we get a palindrome (98945454989).

The spelling of 23313223657 in words is "twenty-three billion, three hundred thirteen million, two hundred twenty-three thousand, six hundred fifty-seven".