12133423233 has 12 divisors (see below), whose sum is σ = 17527324308. Its totient is φ = 8088363360.

The previous prime is 12133423231. The next prime is 12133423261. The reversal of 12133423233 is 33232433121.

12133423233 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 3 + 423 + 233 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3313959489 + 8819463744 = 57567^2 + 93912^2 .

It is not a de Polignac number, because 12133423233 - 2¹ = 12133423231 is a prime.

It is a super-2 number, since 2×12133423233² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12133423197 and 12133423206.

It is not an unprimeable number, because it can be changed into a prime (12133423231) 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, 109491 + ... + 190407.

It is an arithmetic number, because the mean of its divisors is an integer number (1460610359).

Almost surely, 2^12133423233 is an apocalyptic number.

It is an amenable number.

12133423233 is a deficient number, since it is larger than the sum of its proper divisors (5393901075).

12133423233 is a wasteful number, since it uses less digits than its factorization.

12133423233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97584 (or 97581 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 12133423233 its reverse (33232433121), we get a palindrome (45365856354).

The spelling of 12133423233 in words is "twelve billion, one hundred thirty-three million, four hundred twenty-three thousand, two hundred thirty-three".