12033031023 has 72 divisors (see below), whose sum is σ = 19107176400. Its totient is φ = 7293431808.

The previous prime is 12033031019. The next prime is 12033031027. The reversal of 12033031023 is 32013033021.

12033031023 is a `hidden beast` number, since 1 + 2 + 0 + 330 + 310 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (12033031019) and next prime (12033031027).

It is not a de Polignac number, because 12033031023 - 2² = 12033031019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12033030987 and 12033031005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033031027) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 52545873 + ... + 52546101.

It is an arithmetic number, because the mean of its divisors is an integer number (265377450).

Almost surely, 2^12033031023 is an apocalyptic number.

12033031023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12033031023 is a deficient number, since it is larger than the sum of its proper divisors (7074145377).

12033031023 is a wasteful number, since it uses less digits than its factorization.

12033031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 12033031023 its reverse (32013033021), we get a palindrome (44046064044).

The spelling of 12033031023 in words is "twelve billion, thirty-three million, thirty-one thousand, twenty-three".