12423022403 has 4 divisors (see below), whose sum is σ = 13552388088. Its totient is φ = 11293656720.

The previous prime is 12423022393. The next prime is 12423022433. The reversal of 12423022403 is 30422032421.

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

It is a cyclic number.

It is not a de Polignac number, because 12423022403 - 2²⁰ = 12421973827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12423022433) 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, 564682826 + ... + 564682847.

It is an arithmetic number, because the mean of its divisors is an integer number (3388097022).

Almost surely, 2^12423022403 is an apocalyptic number.

12423022403 is a deficient number, since it is larger than the sum of its proper divisors (1129365685).

12423022403 is a wasteful number, since it uses less digits than its factorization.

12423022403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129365684.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12423022403 its reverse (30422032421), we get a palindrome (42845054824).

The spelling of 12423022403 in words is "twelve billion, four hundred twenty-three million, twenty-two thousand, four hundred three".