23312112019993 has 2 divisors, whose sum is σ = 23312112019994. Its totient is φ = 23312112019992.

The previous prime is 23312112019943. The next prime is 23312112020117. The reversal of 23312112019993 is 39991021121332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23311100016649 + 1012003344 = 4828157^2 + 31812^2 .

It is a cyclic number.

It is not a de Polignac number, because 23312112019993 - 2²⁹ = 23311575149081 is a prime.

It is a super-2 number, since 2×23312112019993² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23312112019913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656056009996 + 11656056009997.

It is an arithmetic number, because the mean of its divisors is an integer number (11656056009997).

Almost surely, 2^{23312112019993} is an apocalyptic number.

It is an amenable number.

23312112019993 is a deficient number, since it is larger than the sum of its proper divisors (1).

23312112019993 is an equidigital number, since it uses as much as digits as its factorization.

23312112019993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 46.

The spelling of 23312112019993 in words is "twenty-three trillion, three hundred twelve billion, one hundred twelve million, nineteen thousand, nine hundred ninety-three".