12303445431 has 16 divisors (see below), whose sum is σ = 16992660960. Its totient is φ = 7909009920.

The previous prime is 12303445403. The next prime is 12303445439. The reversal of 12303445431 is 13454430321.

It is not a de Polignac number, because 12303445431 - 2⁶ = 12303445367 is a prime.

It is a super-2 number, since 2×12303445431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303445439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26710 + ... + 159123.

It is an arithmetic number, because the mean of its divisors is an integer number (1062041310).

Almost surely, 2^12303445431 is an apocalyptic number.

12303445431 is a deficient number, since it is larger than the sum of its proper divisors (4689215529).

12303445431 is a wasteful number, since it uses less digits than its factorization.

12303445431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186626.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 12303445431 its reverse (13454430321), we get a palindrome (25757875752).

The spelling of 12303445431 in words is "twelve billion, three hundred three million, four hundred forty-five thousand, four hundred thirty-one".