23356690957 has 2 divisors, whose sum is σ = 23356690958. Its totient is φ = 23356690956.

The previous prime is 23356690943. The next prime is 23356691041. The reversal of 23356690957 is 75909665332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17393916996 + 5962773961 = 131886^2 + 77219^2 .

It is a cyclic number.

It is not a de Polignac number, because 23356690957 - 2⁷ = 23356690829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23356690898 and 23356690907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23356694957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11678345478 + 11678345479.

It is an arithmetic number, because the mean of its divisors is an integer number (11678345479).

Almost surely, 2^23356690957 is an apocalyptic number.

It is an amenable number.

23356690957 is a deficient number, since it is larger than the sum of its proper divisors (1).

23356690957 is an equidigital number, since it uses as much as digits as its factorization.

23356690957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9185400, while the sum is 55.

The spelling of 23356690957 in words is "twenty-three billion, three hundred fifty-six million, six hundred ninety thousand, nine hundred fifty-seven".