12323647543499 has 2 divisors, whose sum is σ = 12323647543500. Its totient is φ = 12323647543498.

The previous prime is 12323647543489. The next prime is 12323647543511. The reversal of 12323647543499 is 99434574632321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12323647543499 - 2³⁶ = 12254928066763 is a prime.

It is not a weakly prime, because it can be changed into another prime (12323647543409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161823771749 + 6161823771750.

It is an arithmetic number, because the mean of its divisors is an integer number (6161823771750).

Almost surely, 2^{12323647543499} is an apocalyptic number.

12323647543499 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323647543499 is an equidigital number, since it uses as much as digits as its factorization.

12323647543499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117573120, while the sum is 62.

The spelling of 12323647543499 in words is "twelve trillion, three hundred twenty-three billion, six hundred forty-seven million, five hundred forty-three thousand, four hundred ninety-nine".