12956751323 has 2 divisors, whose sum is σ = 12956751324. Its totient is φ = 12956751322.

The previous prime is 12956751319. The next prime is 12956751373. The reversal of 12956751323 is 32315765921.

It is a weak prime.

It is an emirp because it is prime and its reverse (32315765921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12956751323 - 2² = 12956751319 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12956751373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6478375661 + 6478375662.

It is an arithmetic number, because the mean of its divisors is an integer number (6478375662).

Almost surely, 2^12956751323 is an apocalyptic number.

12956751323 is a deficient number, since it is larger than the sum of its proper divisors (1).

12956751323 is an equidigital number, since it uses as much as digits as its factorization.

12956751323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 44.

The spelling of 12956751323 in words is "twelve billion, nine hundred fifty-six million, seven hundred fifty-one thousand, three hundred twenty-three".