12131023343 has 2 divisors, whose sum is σ = 12131023344. Its totient is φ = 12131023342.

The previous prime is 12131023291. The next prime is 12131023351. The reversal of 12131023343 is 34332013121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12131023343 - 2⁶ = 12131023279 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12131023393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065511671 + 6065511672.

It is an arithmetic number, because the mean of its divisors is an integer number (6065511672).

Almost surely, 2^12131023343 is an apocalyptic number.

12131023343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131023343 is an equidigital number, since it uses as much as digits as its factorization.

12131023343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12131023343 its reverse (34332013121), we get a palindrome (46463036464).

The spelling of 12131023343 in words is "twelve billion, one hundred thirty-one million, twenty-three thousand, three hundred forty-three".