11223243 has 12 divisors (see below), whose sum is σ = 17064840. Its totient is φ = 7088256.

The previous prime is 11223181. The next prime is 11223253. The reversal of 11223243 is 34232211.

It is not a de Polignac number, because 11223243 - 2¹⁰ = 11222219 is a prime.

It is a super-2 number, since 2×11223243² = 251922366874098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11223253) 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 in 11 ways as a sum of consecutive naturals, for example, 32646 + ... + 32987.

It is an arithmetic number, because the mean of its divisors is an integer number (1422070).

Almost surely, 2^11223243 is an apocalyptic number.

11223243 is a deficient number, since it is larger than the sum of its proper divisors (5841597).

11223243 is a wasteful number, since it uses less digits than its factorization.

11223243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65658 (or 65655 counting only the distinct ones).

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

The square root of 11223243 is about 3350.1108936870. The cubic root of 11223243 is about 223.8924534220.

Adding to 11223243 its reverse (34232211), we get a palindrome (45455454).

The spelling of 11223243 in words is "eleven million, two hundred twenty-three thousand, two hundred forty-three".