11443213233 has 6 divisors (see below), whose sum is σ = 16529085794. Its totient is φ = 7628808816.

The previous prime is 11443213231. The next prime is 11443213273. The reversal of 11443213233 is 33231234411.

It is a happy number.

11443213233 is a `hidden beast` number, since 1 + 1 + 443 + 213 + 2 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11006737569 + 436475664 = 104913^2 + 20892^2 .

It is not a de Polignac number, because 11443213233 - 2¹ = 11443213231 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11443213197 and 11443213206.

It is not an unprimeable number, because it can be changed into a prime (11443213231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 635734060 + ... + 635734077.

Almost surely, 2^11443213233 is an apocalyptic number.

It is an amenable number.

11443213233 is a deficient number, since it is larger than the sum of its proper divisors (5085872561).

11443213233 is a wasteful number, since it uses less digits than its factorization.

11443213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271468143 (or 1271468140 counting only the distinct ones).

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

Adding to 11443213233 its reverse (33231234411), we get a palindrome (44674447644).

It can be divided in two parts, 11443 and 213233, that added together give a square (224676 = 474²).

The spelling of 11443213233 in words is "eleven billion, four hundred forty-three million, two hundred thirteen thousand, two hundred thirty-three".