11605223 has 4 divisors (see below), whose sum is σ = 13263120. Its totient is φ = 9947328.

The previous prime is 11605207. The next prime is 11605259. The reversal of 11605223 is 32250611.

11605223 is digitally balanced in base 2, 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 11605223 - 2⁴ = 11605207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11605195 and 11605204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11605273) 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, 828938 + ... + 828951.

It is an arithmetic number, because the mean of its divisors is an integer number (3315780).

Almost surely, 2^11605223 is an apocalyptic number.

11605223 is a deficient number, since it is larger than the sum of its proper divisors (1657897).

11605223 is an equidigital number, since it uses as much as digits as its factorization.

11605223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657896.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 11605223 is about 3406.6439496959. The cubic root of 11605223 is about 226.4042091452.

Adding to 11605223 its reverse (32250611), we get a palindrome (43855834).

The spelling of 11605223 in words is "eleven million, six hundred five thousand, two hundred twenty-three".