12321304823 has 2 divisors, whose sum is σ = 12321304824. Its totient is φ = 12321304822.

The previous prime is 12321304811. The next prime is 12321304837. The reversal of 12321304823 is 32840312321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12321304823 is a prime.

It is a super-2 number, since 2×12321304823² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12321304883) 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, 6160652411 + 6160652412.

It is an arithmetic number, because the mean of its divisors is an integer number (6160652412).

Almost surely, 2^12321304823 is an apocalyptic number.

12321304823 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321304823 is an equidigital number, since it uses as much as digits as its factorization.

12321304823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 12321304823 in words is "twelve billion, three hundred twenty-one million, three hundred four thousand, eight hundred twenty-three".