12923465399 has 16 divisors (see below), whose sum is σ = 14761944288. Its totient is φ = 11208056832.

The previous prime is 12923465371. The next prime is 12923465419. The reversal of 12923465399 is 99356432921.

12923465399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12923465399 - 2²⁸ = 12655029943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12923465399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12923465329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76844 + ... + 178190.

It is an arithmetic number, because the mean of its divisors is an integer number (922621518).

Almost surely, 2^12923465399 is an apocalyptic number.

12923465399 is a deficient number, since it is larger than the sum of its proper divisors (1838478889).

12923465399 is a wasteful number, since it uses less digits than its factorization.

12923465399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101954.

The product of its digits is 3149280, while the sum is 53.

The spelling of 12923465399 in words is "twelve billion, nine hundred twenty-three million, four hundred sixty-five thousand, three hundred ninety-nine".