11047223 has 4 divisors (see below), whose sum is σ = 12051528. Its totient is φ = 10042920.

The previous prime is 11047207. The next prime is 11047241. The reversal of 11047223 is 32274011.

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 11047223 - 2⁴ = 11047207 is a prime.

It is a super-2 number, since 2×11047223² = 244082272023458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11047195 and 11047204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11047243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502136 + ... + 502157.

It is an arithmetic number, because the mean of its divisors is an integer number (3012882).

Almost surely, 2^11047223 is an apocalyptic number.

11047223 is a deficient number, since it is larger than the sum of its proper divisors (1004305).

11047223 is a wasteful number, since it uses less digits than its factorization.

11047223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004304.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 11047223 is about 3323.7363012128. The cubic root of 11047223 is about 222.7158062730.

The spelling of 11047223 in words is "eleven million, forty-seven thousand, two hundred twenty-three".