23312112020117 has 2 divisors, whose sum is σ = 23312112020118. Its totient is φ = 23312112020116.

The previous prime is 23312112019993. The next prime is 23312112020137. The reversal of 23312112020117 is 71102021121332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21854372117956 + 1457739902161 = 4674866^2 + 1207369^2 .

It is a cyclic number.

It is not a de Polignac number, because 23312112020117 - 2¹⁰ = 23312112019093 is a prime.

It is a super-2 number, since 2×23312112020117² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23312112020137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656056010058 + 11656056010059.

It is an arithmetic number, because the mean of its divisors is an integer number (11656056010059).

Almost surely, 2^{23312112020117} is an apocalyptic number.

It is an amenable number.

23312112020117 is a deficient number, since it is larger than the sum of its proper divisors (1).

23312112020117 is an equidigital number, since it uses as much as digits as its factorization.

23312112020117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 23312112020117 its reverse (71102021121332), we get a palindrome (94414133141449).

The spelling of 23312112020117 in words is "twenty-three trillion, three hundred twelve billion, one hundred twelve million, twenty thousand, one hundred seventeen".