12393923599 has 2 divisors, whose sum is σ = 12393923600. Its totient is φ = 12393923598.

The previous prime is 12393923557. The next prime is 12393923639. The reversal of 12393923599 is 99532939321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12393923599 - 2⁷ = 12393923471 is a prime.

It is a super-2 number, since 2×12393923599² (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 (12393923699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6196961799 + 6196961800.

It is an arithmetic number, because the mean of its divisors is an integer number (6196961800).

Almost surely, 2^12393923599 is an apocalyptic number.

12393923599 is a deficient number, since it is larger than the sum of its proper divisors (1).

12393923599 is an equidigital number, since it uses as much as digits as its factorization.

12393923599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3542940, while the sum is 55.

The spelling of 12393923599 in words is "twelve billion, three hundred ninety-three million, nine hundred twenty-three thousand, five hundred ninety-nine".