12431322431023 has 8 divisors (see below), whose sum is σ = 12475485179280. Its totient is φ = 12387219485760.

The previous prime is 12431322431009. The next prime is 12431322431027. The reversal of 12431322431023 is 32013422313421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12431322431023 - 2³³ = 12422732496431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431322431027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14534248 + ... + 15365773.

It is an arithmetic number, because the mean of its divisors is an integer number (1559435647410).

Almost surely, 2^{12431322431023} is an apocalyptic number.

12431322431023 is a deficient number, since it is larger than the sum of its proper divisors (44162748257).

12431322431023 is a wasteful number, since it uses less digits than its factorization.

12431322431023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29901497.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 12431322431023 its reverse (32013422313421), we get a palindrome (44444744744444).

The spelling of 12431322431023 in words is "twelve trillion, four hundred thirty-one billion, three hundred twenty-two million, four hundred thirty-one thousand, twenty-three".