12423931 has 8 divisors (see below), whose sum is σ = 13599824. Its totient is φ = 11279520.

The previous prime is 12423907. The next prime is 12423941. The reversal of 12423931 is 13932421.

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 12423931 - 2¹⁵ = 12391163 is a prime.

It is a super-2 number, since 2×12423931² = 308708122985522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12423896 and 12423905.

It is not an unprimeable number, because it can be changed into a prime (12423941) 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, 7041 + ... + 8626.

It is an arithmetic number, because the mean of its divisors is an integer number (1699978).

Almost surely, 2^12423931 is an apocalyptic number.

12423931 is a deficient number, since it is larger than the sum of its proper divisors (1175893).

12423931 is a wasteful number, since it uses less digits than its factorization.

12423931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15741.

The product of its digits is 1296, while the sum is 25.

The square root of 12423931 is about 3524.7597081220. The cubic root of 12423931 is about 231.6077087746.

The spelling of 12423931 in words is "twelve million, four hundred twenty-three thousand, nine hundred thirty-one".