12431667403 has 2 divisors, whose sum is σ = 12431667404. Its totient is φ = 12431667402.

The previous prime is 12431667379. The next prime is 12431667419. The reversal of 12431667403 is 30476613421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12431667403 is a prime.

It is not a weakly prime, because it can be changed into another prime (12431667433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215833701 + 6215833702.

It is an arithmetic number, because the mean of its divisors is an integer number (6215833702).

Almost surely, 2^12431667403 is an apocalyptic number.

12431667403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12431667403 is an equidigital number, since it uses as much as digits as its factorization.

12431667403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 12431667403 in words is "twelve billion, four hundred thirty-one million, six hundred sixty-seven thousand, four hundred three".