12323302431 has 32 divisors (see below), whose sum is σ = 19035813888. Its totient is φ = 7008368640.

The previous prime is 12323302423. The next prime is 12323302469. The reversal of 12323302431 is 13420332321.

It is not a de Polignac number, because 12323302431 - 2³ = 12323302423 is a prime.

It is a super-2 number, since 2×12323302431² (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 (12323302421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156466 + ... + 221648.

It is an arithmetic number, because the mean of its divisors is an integer number (594869184).

Almost surely, 2^12323302431 is an apocalyptic number.

12323302431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12323302431 is a deficient number, since it is larger than the sum of its proper divisors (6712511457).

12323302431 is a wasteful number, since it uses less digits than its factorization.

12323302431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65551.

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

Adding to 12323302431 its reverse (13420332321), we get a palindrome (25743634752).

The spelling of 12323302431 in words is "twelve billion, three hundred twenty-three million, three hundred two thousand, four hundred thirty-one".