23012113113217 has 2 divisors, whose sum is σ = 23012113113218. Its totient is φ = 23012113113216.

The previous prime is 23012113113161. The next prime is 23012113113239. The reversal of 23012113113217 is 71231131121032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21897570506256 + 1114542606961 = 4679484^2 + 1055719^2 .

It is a cyclic number.

It is not a de Polignac number, because 23012113113217 - 2³⁹ = 22462357299329 is a prime.

It is not a weakly prime, because it can be changed into another prime (23012113113317) 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, 11506056556608 + 11506056556609.

It is an arithmetic number, because the mean of its divisors is an integer number (11506056556609).

Almost surely, 2^{23012113113217} is an apocalyptic number.

It is an amenable number.

23012113113217 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012113113217 is an equidigital number, since it uses as much as digits as its factorization.

23012113113217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

Adding to 23012113113217 its reverse (71231131121032), we get a palindrome (94243244234249).

The spelling of 23012113113217 in words is "twenty-three trillion, twelve billion, one hundred thirteen million, one hundred thirteen thousand, two hundred seventeen".