11201223 has 16 divisors (see below), whose sum is σ = 16384896. Its totient is φ = 6750240.

The previous prime is 11201219. The next prime is 11201233. The reversal of 11201223 is 32210211.

It is not a de Polignac number, because 11201223 - 2² = 11201219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11201199 and 11201208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201233) 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, 5640 + ... + 7362.

It is an arithmetic number, because the mean of its divisors is an integer number (1024056).

Almost surely, 2^11201223 is an apocalyptic number.

11201223 is a deficient number, since it is larger than the sum of its proper divisors (5183673).

11201223 is a wasteful number, since it uses less digits than its factorization.

11201223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11201223 is about 3346.8228217221. The cubic root of 11201223 is about 223.7459319090.

Adding to 11201223 its reverse (32210211), we get a palindrome (43411434).

The spelling of 11201223 in words is "eleven million, two hundred one thousand, two hundred twenty-three".