23212192805117 has 2 divisors, whose sum is σ = 23212192805118. Its totient is φ = 23212192805116.

The previous prime is 23212192805093. The next prime is 23212192805129. The reversal of 23212192805117 is 71150829121232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23139890435236 + 72302369881 = 4810394^2 + 268891^2 .

It is a cyclic number.

It is not a de Polignac number, because 23212192805117 - 2¹⁶ = 23212192739581 is a prime.

It is a super-2 number, since 2×23212192805117² (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 (23212192805717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606096402558 + 11606096402559.

It is an arithmetic number, because the mean of its divisors is an integer number (11606096402559).

Almost surely, 2^{23212192805117} is an apocalyptic number.

It is an amenable number.

23212192805117 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212192805117 is an equidigital number, since it uses as much as digits as its factorization.

23212192805117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 23212192805117 in words is "twenty-three trillion, two hundred twelve billion, one hundred ninety-two million, eight hundred five thousand, one hundred seventeen".