12031023 has 8 divisors (see below), whose sum is σ = 16094848. Its totient is φ = 7993944.

The previous prime is 12031003. The next prime is 12031039. The reversal of 12031023 is 32013021.

It is a happy number.

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

It is not a de Polignac number, because 12031023 - 2⁶ = 12030959 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 (12031003) 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, 5611 + ... + 7452.

It is an arithmetic number, because the mean of its divisors is an integer number (2011856).

Almost surely, 2^12031023 is an apocalyptic number.

12031023 is a deficient number, since it is larger than the sum of its proper divisors (4063825).

12031023 is a wasteful number, since it uses less digits than its factorization.

12031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13373.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12031023 is about 3468.5765091749. The cubic root of 12031023 is about 229.1399702382.

Adding to 12031023 its reverse (32013021), we get a palindrome (44044044).

The spelling of 12031023 in words is "twelve million, thirty-one thousand, twenty-three".