12307823813 has 2 divisors, whose sum is σ = 12307823814. Its totient is φ = 12307823812.

The previous prime is 12307823809. The next prime is 12307823849. The reversal of 12307823813 is 31832870321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7077352129 + 5230471684 = 84127^2 + 72322^2 .

It is a cyclic number.

It is not a de Polignac number, because 12307823813 - 2² = 12307823809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12307823113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6153911906 + 6153911907.

It is an arithmetic number, because the mean of its divisors is an integer number (6153911907).

Almost surely, 2^12307823813 is an apocalyptic number.

It is an amenable number.

12307823813 is a deficient number, since it is larger than the sum of its proper divisors (1).

12307823813 is an equidigital number, since it uses as much as digits as its factorization.

12307823813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 12307823813 in words is "twelve billion, three hundred seven million, eight hundred twenty-three thousand, eight hundred thirteen".