12394448423 has 12 divisors (see below), whose sum is σ = 14662408680. Its totient is φ = 10443745872.

The previous prime is 12394448387. The next prime is 12394448483. The reversal of 12394448423 is 32484449321.

It is a happy number.

It is not a de Polignac number, because 12394448423 - 2⁸ = 12394448167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12394448483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2140736 + ... + 2146517.

It is an arithmetic number, because the mean of its divisors is an integer number (1221867390).

Almost surely, 2^12394448423 is an apocalyptic number.

12394448423 is a deficient number, since it is larger than the sum of its proper divisors (2267960257).

12394448423 is an equidigital number, since it uses as much as digits as its factorization.

12394448423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287326 (or 4287319 counting only the distinct ones).

The product of its digits is 663552, while the sum is 44.

The spelling of 12394448423 in words is "twelve billion, three hundred ninety-four million, four hundred forty-eight thousand, four hundred twenty-three".