12423010849 has 4 divisors (see below), whose sum is σ = 12423538564. Its totient is φ = 12422483136.

The previous prime is 12423010811. The next prime is 12423010867. The reversal of 12423010849 is 94801032421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4780754449 + 7642256400 = 69143^2 + 87420^2 .

It is a cyclic number.

It is not a de Polignac number, because 12423010849 - 2³³ = 3833076257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12423010879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226812 + ... + 276205.

It is an arithmetic number, because the mean of its divisors is an integer number (3105884641).

Almost surely, 2^12423010849 is an apocalyptic number.

It is an amenable number.

12423010849 is a deficient number, since it is larger than the sum of its proper divisors (527715).

12423010849 is an equidigital number, since it uses as much as digits as its factorization.

12423010849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527714.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 12423010849 in words is "twelve billion, four hundred twenty-three million, ten thousand, eight hundred forty-nine".