12323311312111 has 2 divisors, whose sum is σ = 12323311312112. Its totient is φ = 12323311312110.

The previous prime is 12323311312079. The next prime is 12323311312139. The reversal of 12323311312111 is 11121311332321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12323311312111 - 2⁵ = 12323311312079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12323311312171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161655656055 + 6161655656056.

It is an arithmetic number, because the mean of its divisors is an integer number (6161655656056).

Almost surely, 2^{12323311312111} is an apocalyptic number.

12323311312111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323311312111 is an equidigital number, since it uses as much as digits as its factorization.

12323311312111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 25.

Adding to 12323311312111 its reverse (11121311332321), we get a palindrome (23444622644432).

The spelling of 12323311312111 in words is "twelve trillion, three hundred twenty-three billion, three hundred eleven million, three hundred twelve thousand, one hundred eleven".