23023020131957 has 2 divisors, whose sum is σ = 23023020131958. Its totient is φ = 23023020131956.

The previous prime is 23023020131927. The next prime is 23023020132023. The reversal of 23023020131957 is 75913102032032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20963706160996 + 2059313970961 = 4578614^2 + 1435031^2 .

It is a cyclic number.

It is not a de Polignac number, because 23023020131957 - 2¹⁰ = 23023020130933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23023020131957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23023020131927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11511510065978 + 11511510065979.

It is an arithmetic number, because the mean of its divisors is an integer number (11511510065979).

Almost surely, 2^{23023020131957} is an apocalyptic number.

It is an amenable number.

23023020131957 is a deficient number, since it is larger than the sum of its proper divisors (1).

23023020131957 is an equidigital number, since it uses as much as digits as its factorization.

23023020131957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

Adding to 23023020131957 its reverse (75913102032032), we get a palindrome (98936122163989).

The spelling of 23023020131957 in words is "twenty-three trillion, twenty-three billion, twenty million, one hundred thirty-one thousand, nine hundred fifty-seven".