12323647551731 has 2 divisors, whose sum is σ = 12323647551732. Its totient is φ = 12323647551730.

The previous prime is 12323647551619. The next prime is 12323647551851. The reversal of 12323647551731 is 13715574632321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12323647551731 - 2¹⁰ = 12323647550707 is a prime.

It is a super-2 number, since 2×12323647551731² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12323647551731.

It is not a weakly prime, because it can be changed into another prime (12323647551031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161823775865 + 6161823775866.

It is an arithmetic number, because the mean of its divisors is an integer number (6161823775866).

Almost surely, 2^{12323647551731} is an apocalyptic number.

12323647551731 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323647551731 is an equidigital number, since it uses as much as digits as its factorization.

12323647551731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 50.

The spelling of 12323647551731 in words is "twelve trillion, three hundred twenty-three billion, six hundred forty-seven million, five hundred fifty-one thousand, seven hundred thirty-one".