12304313403 has 4 divisors (see below), whose sum is σ = 16405751208. Its totient is φ = 8202875600.

The previous prime is 12304313387. The next prime is 12304313429. The reversal of 12304313403 is 30431340321.

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 12304313403 - 2⁴ = 12304313387 is a prime.

It is a super-2 number, since 2×12304313403² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12304313443) 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, 2050718898 + ... + 2050718903.

It is an arithmetic number, because the mean of its divisors is an integer number (4101437802).

Almost surely, 2^12304313403 is an apocalyptic number.

12304313403 is a deficient number, since it is larger than the sum of its proper divisors (4101437805).

12304313403 is an equidigital number, since it uses as much as digits as its factorization.

12304313403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101437804.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12304313403 its reverse (30431340321), we get a palindrome (42735653724).

The spelling of 12304313403 in words is "twelve billion, three hundred four million, three hundred thirteen thousand, four hundred three".