11223203 has 4 divisors (see below), whose sum is σ = 11610240. Its totient is φ = 10836168.

The previous prime is 11223181. The next prime is 11223253. The reversal of 11223203 is 30232211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11223203 - 2⁶ = 11223139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11223253) 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, 193475 + ... + 193532.

It is an arithmetic number, because the mean of its divisors is an integer number (2902560).

Almost surely, 2^11223203 is an apocalyptic number.

11223203 is a deficient number, since it is larger than the sum of its proper divisors (387037).

11223203 is an equidigital number, since it uses as much as digits as its factorization.

11223203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387036.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 11223203 is about 3350.1049237300. The cubic root of 11223203 is about 223.8921874351.

Adding to 11223203 its reverse (30232211), we get a palindrome (41455414).

The spelling of 11223203 in words is "eleven million, two hundred twenty-three thousand, two hundred three".