12423449275 has 12 divisors (see below), whose sum is σ = 15763336072. Its totient is φ = 9707624640.

The previous prime is 12423449257. The next prime is 12423449317. The reversal of 12423449275 is 57294432421.

It is not a de Polignac number, because 12423449275 - 2⁵ = 12423449243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5777274 + ... + 5779423.

Almost surely, 2^12423449275 is an apocalyptic number.

12423449275 is a deficient number, since it is larger than the sum of its proper divisors (3339886797).

12423449275 is a wasteful number, since it uses less digits than its factorization.

12423449275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11556750 (or 11556745 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The spelling of 12423449275 in words is "twelve billion, four hundred twenty-three million, four hundred forty-nine thousand, two hundred seventy-five".