11471223 has 8 divisors (see below), whose sum is σ = 15334000. Its totient is φ = 7627968.

The previous prime is 11471219. The next prime is 11471309. The reversal of 11471223 is 32217411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11471223 - 2² = 11471219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11471223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11471203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3448 + ... + 5901.

It is an arithmetic number, because the mean of its divisors is an integer number (1916750).

Almost surely, 2^11471223 is an apocalyptic number.

11471223 is a deficient number, since it is larger than the sum of its proper divisors (3862777).

11471223 is an equidigital number, since it uses as much as digits as its factorization.

11471223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9761.

The product of its digits is 336, while the sum is 21.

The square root of 11471223 is about 3386.9193967380. The cubic root of 11471223 is about 225.5294396367.

Adding to 11471223 its reverse (32217411), we get a palindrome (43688634).

The spelling of 11471223 in words is "eleven million, four hundred seventy-one thousand, two hundred twenty-three".