12311111202023 has 2 divisors, whose sum is σ = 12311111202024. Its totient is φ = 12311111202022.

The previous prime is 12311111202001. The next prime is 12311111202107. The reversal of 12311111202023 is 32020211111321.

It is a weak prime.

It is an emirp because it is prime and its reverse (32020211111321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12311111202023 - 2¹⁸ = 12311110939879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12311111201986 and 12311111202004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12311111208023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155555601011 + 6155555601012.

It is an arithmetic number, because the mean of its divisors is an integer number (6155555601012).

Almost surely, 2^{12311111202023} is an apocalyptic number.

12311111202023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311111202023 is an equidigital number, since it uses as much as digits as its factorization.

12311111202023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12311111202023 its reverse (32020211111321), we get a palindrome (44331322313344).

The spelling of 12311111202023 in words is "twelve trillion, three hundred eleven billion, one hundred eleven million, two hundred two thousand, twenty-three".