11633231 has 2 divisors, whose sum is σ = 11633232. Its totient is φ = 11633230.

The previous prime is 11633227. The next prime is 11633233. The reversal of 11633231 is 13233611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11633231 - 2² = 11633227 is a prime.

It is a super-2 number, since 2×11633231² = 270664126998722, which contains 22 as substring.

Together with 11633233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11633233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5816615 + 5816616.

It is an arithmetic number, because the mean of its divisors is an integer number (5816616).

Almost surely, 2^11633231 is an apocalyptic number.

11633231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11633231 is an equidigital number, since it uses as much as digits as its factorization.

11633231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 20.

The square root of 11633231 is about 3410.7522630646. The cubic root of 11633231 is about 226.5861971662.

Adding to 11633231 its reverse (13233611), we get a palindrome (24866842).

The spelling of 11633231 in words is "eleven million, six hundred thirty-three thousand, two hundred thirty-one".