12423320003 has 4 divisors (see below), whose sum is σ = 12423556608. Its totient is φ = 12423083400.

The previous prime is 12423319957. The next prime is 12423320009. The reversal of 12423320003 is 30002332421.

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 12423320003 - 2²⁰ = 12422271427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12423320009) 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, 323 + ... + 157628.

It is an arithmetic number, because the mean of its divisors is an integer number (3105889152).

Almost surely, 2^12423320003 is an apocalyptic number.

12423320003 is a deficient number, since it is larger than the sum of its proper divisors (236605).

12423320003 is an equidigital number, since it uses as much as digits as its factorization.

12423320003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236604.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 12423320003 its reverse (30002332421), we get a palindrome (42425652424).

The spelling of 12423320003 in words is "twelve billion, four hundred twenty-three million, three hundred twenty thousand, three".