1232404031233 has 4 divisors (see below), whose sum is σ = 1232415645268. Its totient is φ = 1232392417200.

The previous prime is 1232404031203. The next prime is 1232404031237. The reversal of 1232404031233 is 3321304042321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 443065959424 + 789338071809 = 665632^2 + 888447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232404031233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232404031237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5646366 + ... + 5860567.

It is an arithmetic number, because the mean of its divisors is an integer number (308103911317).

Almost surely, 2^{1232404031233} is an apocalyptic number.

It is an amenable number.

1232404031233 is a deficient number, since it is larger than the sum of its proper divisors (11614035).

1232404031233 is a wasteful number, since it uses less digits than its factorization.

1232404031233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11614034.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1232404031233 its reverse (3321304042321), we get a palindrome (4553708073554).

The spelling of 1232404031233 in words is "one trillion, two hundred thirty-two billion, four hundred four million, thirty-one thousand, two hundred thirty-three".