11233 has 4 divisors (see below), whose sum is σ = 11520. Its totient is φ = 10948.

The previous prime is 11213. The next prime is 11239. The reversal of 11233 is 33211.

11233 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11233 - 2¹³ = 3041 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10 and base 15.

It is not an unprimeable number, because it can be changed into a prime (11239) 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, 73 + ... + 166.

It is an arithmetic number, because the mean of its divisors is an integer number (2880).

2¹¹²³³ is an apocalyptic number.

It is an amenable number.

11233 is a deficient number, since it is larger than the sum of its proper divisors (287).

11233 is an equidigital number, since it uses as much as digits as its factorization.

11233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286.

The product of its digits is 18, while the sum is 10.

The square root of 11233 is about 105.9858481119. The cubic root of 11233 is about 22.3957315421.

Adding to 11233 its reverse (33211), we get a palindrome (44444).

The spelling of 11233 in words is "eleven thousand, two hundred thirty-three".