11331223 has 4 divisors (see below), whose sum is σ = 11390128. Its totient is φ = 11272320.

The previous prime is 11331217. The next prime is 11331227. The reversal of 11331223 is 32213311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32213311 = 13 ⋅2477947.

It is a cyclic number.

It is not a de Polignac number, because 11331223 - 2¹⁷ = 11200151 is a prime.

It is a super-2 number, since 2×11331223² = 256793229351458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331197 and 11331206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331227) 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, 29163 + ... + 29548.

It is an arithmetic number, because the mean of its divisors is an integer number (2847532).

Almost surely, 2^11331223 is an apocalyptic number.

11331223 is a deficient number, since it is larger than the sum of its proper divisors (58905).

11331223 is an equidigital number, since it uses as much as digits as its factorization.

11331223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58904.

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

The square root of 11331223 is about 3366.1882003239. The cubic root of 11331223 is about 224.6081938403.

Adding to 11331223 its reverse (32213311), we get a palindrome (43544534).

The spelling of 11331223 in words is "eleven million, three hundred thirty-one thousand, two hundred twenty-three".