12431023 has 8 divisors (see below), whose sum is σ = 13597056. Its totient is φ = 11271000.

The previous prime is 12430963. The next prime is 12431033. The reversal of 12431023 is 32013421.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12431023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12430988 and 12431006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3598 + ... + 6148.

It is an arithmetic number, because the mean of its divisors is an integer number (1699632).

Almost surely, 2^12431023 is an apocalyptic number.

12431023 is a deficient number, since it is larger than the sum of its proper divisors (1166033).

12431023 is a wasteful number, since it uses less digits than its factorization.

12431023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12431023 is about 3525.7655906200. The cubic root of 12431023 is about 231.6517702295.

Adding to 12431023 its reverse (32013421), we get a palindrome (44444444).

The spelling of 12431023 in words is "twelve million, four hundred thirty-one thousand, twenty-three".