12423766475 has 6 divisors (see below), whose sum is σ = 15405470460. Its totient is φ = 9939013160.

The previous prime is 12423766463. The next prime is 12423766477. The reversal of 12423766475 is 57466732421.

It is not a de Polignac number, because 12423766475 - 2³² = 8128799179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12423766477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248475305 + ... + 248475354.

It is an arithmetic number, because the mean of its divisors is an integer number (2567578410).

Almost surely, 2^12423766475 is an apocalyptic number.

12423766475 is a deficient number, since it is larger than the sum of its proper divisors (2981703985).

12423766475 is an equidigital number, since it uses as much as digits as its factorization.

12423766475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496950669 (or 496950664 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 47.

The spelling of 12423766475 in words is "twelve billion, four hundred twenty-three million, seven hundred sixty-six thousand, four hundred seventy-five".