11243223 has 6 divisors (see below), whose sum is σ = 16240224. Its totient is φ = 7495476.

The previous prime is 11243191. The next prime is 11243233. The reversal of 11243223 is 32234211.

It is not a de Polignac number, because 11243223 - 2⁵ = 11243191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11243196 and 11243205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243233) 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, 624615 + ... + 624632.

It is an arithmetic number, because the mean of its divisors is an integer number (2706704).

Almost surely, 2^11243223 is an apocalyptic number.

11243223 is a deficient number, since it is larger than the sum of its proper divisors (4997001).

11243223 is a wasteful number, since it uses less digits than its factorization.

11243223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249253 (or 1249250 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 11243223 is about 3353.0915585471. The cubic root of 11243223 is about 224.0252349865.

Adding to 11243223 its reverse (32234211), we get a palindrome (43477434).

The spelling of 11243223 in words is "eleven million, two hundred forty-three thousand, two hundred twenty-three".