11203223 has 4 divisors (see below), whose sum is σ = 11314248. Its totient is φ = 11092200.

The previous prime is 11203219. The next prime is 11203243. The reversal of 11203223 is 32230211.

It is a happy number.

11203223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11203223 - 2² = 11203219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11203198 and 11203207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203243) 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, 55361 + ... + 55562.

It is an arithmetic number, because the mean of its divisors is an integer number (2828562).

Almost surely, 2^11203223 is an apocalyptic number.

11203223 is a deficient number, since it is larger than the sum of its proper divisors (111025).

11203223 is a wasteful number, since it uses less digits than its factorization.

11203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111024.

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

The square root of 11203223 is about 3347.1215992252. The cubic root of 11203223 is about 223.7592478726.

Adding to 11203223 its reverse (32230211), we get a palindrome (43433434).

The spelling of 11203223 in words is "eleven million, two hundred three thousand, two hundred twenty-three".