8931431423 has 6 divisors (see below), whose sum is σ = 9487714656. Its totient is φ = 8406052832.

The previous prime is 8931431417. The next prime is 8931431447. The reversal of 8931431423 is 3241341398.

It is not a de Polignac number, because 8931431423 - 2¹² = 8931427327 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 (8931431413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15452015 + ... + 15452592.

It is an arithmetic number, because the mean of its divisors is an integer number (1581285776).

Almost surely, 2^8931431423 is an apocalyptic number.

8931431423 is a deficient number, since it is larger than the sum of its proper divisors (556283233).

8931431423 is a wasteful number, since it uses less digits than its factorization.

8931431423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30904641 (or 30904624 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 8931431423 is about 94506.2507086172. The cubic root of 8931431423 is about 2074.7878176999.

The spelling of 8931431423 in words is "eight billion, nine hundred thirty-one million, four hundred thirty-one thousand, four hundred twenty-three".