12321323159 has 2 divisors, whose sum is σ = 12321323160. Its totient is φ = 12321323158.

The previous prime is 12321323141. The next prime is 12321323297. The reversal of 12321323159 is 95132312321.

It is a weak prime.

It is an emirp because it is prime and its reverse (95132312321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12321323159 - 2⁸ = 12321322903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12321320159) 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, 6160661579 + 6160661580.

It is an arithmetic number, because the mean of its divisors is an integer number (6160661580).

Almost surely, 2^12321323159 is an apocalyptic number.

12321323159 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321323159 is an equidigital number, since it uses as much as digits as its factorization.

12321323159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The spelling of 12321323159 in words is "twelve billion, three hundred twenty-one million, three hundred twenty-three thousand, one hundred fifty-nine".