11423223 has 18 divisors (see below), whose sum is σ = 19194864. Its totient is φ = 6527304.

The previous prime is 11423189. The next prime is 11423227. The reversal of 11423223 is 32232411.

It is not a de Polignac number, because 11423223 - 2²⁰ = 10374647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11423196 and 11423205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12511 + ... + 13392.

Almost surely, 2^11423223 is an apocalyptic number.

11423223 is a deficient number, since it is larger than the sum of its proper divisors (7771641).

11423223 is a wasteful number, since it uses less digits than its factorization.

11423223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25923 (or 25913 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 11423223 is about 3379.8258830892. The cubic root of 11423223 is about 225.2144326106.

Adding to 11423223 its reverse (32232411), we get a palindrome (43655634).

The spelling of 11423223 in words is "eleven million, four hundred twenty-three thousand, two hundred twenty-three".