12431723 has 4 divisors (see below), whose sum is σ = 12486240. Its totient is φ = 12377208.

The previous prime is 12431711. The next prime is 12431759. The reversal of 12431723 is 32713421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12431723 - 2¹⁶ = 12366187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12439723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26915 + ... + 27372.

It is an arithmetic number, because the mean of its divisors is an integer number (3121560).

Almost surely, 2^12431723 is an apocalyptic number.

12431723 is a deficient number, since it is larger than the sum of its proper divisors (54517).

12431723 is an equidigital number, since it uses as much as digits as its factorization.

12431723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54516.

The product of its digits is 1008, while the sum is 23.

The square root of 12431723 is about 3525.8648584425. The cubic root of 12431723 is about 231.6561183081.

The spelling of 12431723 in words is "twelve million, four hundred thirty-one thousand, seven hundred twenty-three".