11233231 has 2 divisors, whose sum is σ = 11233232. Its totient is φ = 11233230.

The previous prime is 11233219. The next prime is 11233241. The reversal of 11233231 is 13233211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11233231 - 2¹⁷ = 11102159 is a prime.

It is a super-2 number, since 2×11233231² = 252370957398722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11233241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5616615 + 5616616.

It is an arithmetic number, because the mean of its divisors is an integer number (5616616).

Almost surely, 2^11233231 is an apocalyptic number.

11233231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11233231 is an equidigital number, since it uses as much as digits as its factorization.

11233231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 16.

The square root of 11233231 is about 3351.6012590999. The cubic root of 11233231 is about 223.9588505938.

Adding to 11233231 its reverse (13233211), we get a palindrome (24466442).

The spelling of 11233231 in words is "eleven million, two hundred thirty-three thousand, two hundred thirty-one".