11221323 has 16 divisors (see below), whose sum is σ = 15730176. Its totient is φ = 7106400.

The previous prime is 11221307. The next prime is 11221333. The reversal of 11221323 is 32312211.

It is not a de Polignac number, because 11221323 - 2⁴ = 11221307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11221303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3598 + ... + 5948.

It is an arithmetic number, because the mean of its divisors is an integer number (983136).

Almost surely, 2^11221323 is an apocalyptic number.

11221323 is a deficient number, since it is larger than the sum of its proper divisors (4508853).

11221323 is a wasteful number, since it uses less digits than its factorization.

11221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434.

The product of its digits is 72, while the sum is 15.

The square root of 11221323 is about 3349.8243237519. The cubic root of 11221323 is about 223.8796853351.

Adding to 11221323 its reverse (32312211), we get a palindrome (43533534).

The spelling of 11221323 in words is "eleven million, two hundred twenty-one thousand, three hundred twenty-three".