12133044423 has 12 divisors (see below), whose sum is σ = 17547787608. Its totient is φ = 8078413680.

The previous prime is 12133044419. The next prime is 12133044437. The reversal of 12133044423 is 32444033121.

12133044423 is a `hidden beast` number, since 1 + 213 + 3 + 0 + 4 + 442 + 3 = 666.

It is not a de Polignac number, because 12133044423 - 2² = 12133044419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133044323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 849408 + ... + 863573.

It is an arithmetic number, because the mean of its divisors is an integer number (1462315634).

Almost surely, 2^12133044423 is an apocalyptic number.

12133044423 is a deficient number, since it is larger than the sum of its proper divisors (5414743185).

12133044423 is a wasteful number, since it uses less digits than its factorization.

12133044423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713774 (or 1713771 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12133044423 its reverse (32444033121), we get a palindrome (44577077544).

The spelling of 12133044423 in words is "twelve billion, one hundred thirty-three million, forty-four thousand, four hundred twenty-three".