12311142043 has 2 divisors, whose sum is σ = 12311142044. Its totient is φ = 12311142042.

The previous prime is 12311141993. The next prime is 12311142049. The reversal of 12311142043 is 34024111321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12311142043 is a prime.

It is not a weakly prime, because it can be changed into another prime (12311142049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155571021 + 6155571022.

It is an arithmetic number, because the mean of its divisors is an integer number (6155571022).

Almost surely, 2^12311142043 is an apocalyptic number.

12311142043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311142043 is an equidigital number, since it uses as much as digits as its factorization.

12311142043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12311142043 its reverse (34024111321), we get a palindrome (46335253364).

The spelling of 12311142043 in words is "twelve billion, three hundred eleven million, one hundred forty-two thousand, forty-three".