23356690013 has 2 divisors, whose sum is σ = 23356690014. Its totient is φ = 23356690012.

The previous prime is 23356690001. The next prime is 23356690039. The reversal of 23356690013 is 31009665332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22977102724 + 379587289 = 151582^2 + 19483^2 .

It is a cyclic number.

It is not a de Polignac number, because 23356690013 - 2⁸ = 23356689757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23356690073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11678345006 + 11678345007.

It is an arithmetic number, because the mean of its divisors is an integer number (11678345007).

Almost surely, 2^23356690013 is an apocalyptic number.

It is an amenable number.

23356690013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23356690013 is an equidigital number, since it uses as much as digits as its factorization.

23356690013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 38.

The spelling of 23356690013 in words is "twenty-three billion, three hundred fifty-six million, six hundred ninety thousand, thirteen".