12303421431 has 16 divisors (see below), whose sum is σ = 19101809664. Its totient is φ = 6897874464.

The previous prime is 12303421393. The next prime is 12303421433. The reversal of 12303421431 is 13412430321.

It is a happy number.

It is not a de Polignac number, because 12303421431 - 2²¹ = 12301324279 is a prime.

It is a super-2 number, since 2×12303421431² (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 (12303421433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5526031 + ... + 5528256.

It is an arithmetic number, because the mean of its divisors is an integer number (1193863104).

Almost surely, 2^12303421431 is an apocalyptic number.

12303421431 is a deficient number, since it is larger than the sum of its proper divisors (6798388233).

12303421431 is a wasteful number, since it uses less digits than its factorization.

12303421431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11054350.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12303421431 its reverse (13412430321), we get a palindrome (25715851752).

The spelling of 12303421431 in words is "twelve billion, three hundred three million, four hundred twenty-one thousand, four hundred thirty-one".