11304223 has 16 divisors (see below), whose sum is σ = 13317120. Its totient is φ = 9396000.

The previous prime is 11304217. The next prime is 11304239. The reversal of 11304223 is 32240311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11304223 - 2¹³ = 11296031 is a prime.

It is a super-3 number, since 3×11304223³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11304197 and 11304206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11304253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41578 + ... + 41848.

It is an arithmetic number, because the mean of its divisors is an integer number (832320).

Almost surely, 2^11304223 is an apocalyptic number.

11304223 is a deficient number, since it is larger than the sum of its proper divisors (2012897).

11304223 is a wasteful number, since it uses less digits than its factorization.

11304223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 11304223 is about 3362.1753374861. The cubic root of 11304223 is about 224.4296534074.

Adding to 11304223 its reverse (32240311), we get a palindrome (43544534).

The spelling of 11304223 in words is "eleven million, three hundred four thousand, two hundred twenty-three".