11404223 has 4 divisors (see below), whose sum is σ = 11415768. Its totient is φ = 11392680.

The previous prime is 11404207. The next prime is 11404231. The reversal of 11404223 is 32240411.

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 11404223 - 2⁴ = 11404207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11404243) 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, 4136 + ... + 6317.

It is an arithmetic number, because the mean of its divisors is an integer number (2853942).

Almost surely, 2^11404223 is an apocalyptic number.

11404223 is a deficient number, since it is larger than the sum of its proper divisors (11545).

11404223 is a wasteful number, since it uses less digits than its factorization.

11404223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11544.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 11404223 is about 3377.0139176497. The cubic root of 11404223 is about 225.0894985517.

Adding to 11404223 its reverse (32240411), we get a palindrome (43644634).

The spelling of 11404223 in words is "eleven million, four hundred four thousand, two hundred twenty-three".