11443321233 has 12 divisors (see below), whose sum is σ = 16588917748. Its totient is φ = 7601338080.

The previous prime is 11443321229. The next prime is 11443321243. The reversal of 11443321233 is 33212334411.

It is a happy number.

11443321233 is a `hidden beast` number, since 1 + 1 + 443 + 3 + 212 + 3 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2718266769 + 8725054464 = 52137^2 + 93408^2 .

It is not a de Polignac number, because 11443321233 - 2² = 11443321229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11443321197 and 11443321206.

It is not an unprimeable number, because it can be changed into a prime (11443321243) 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, 2292598 + ... + 2297583.

Almost surely, 2^11443321233 is an apocalyptic number.

It is an amenable number.

11443321233 is a deficient number, since it is larger than the sum of its proper divisors (5145596515).

11443321233 is a wasteful number, since it uses less digits than its factorization.

11443321233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590464 (or 4590461 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 11443321233 its reverse (33212334411), we get a palindrome (44655655644).

The spelling of 11443321233 in words is "eleven billion, four hundred forty-three million, three hundred twenty-one thousand, two hundred thirty-three".