11387223 has 12 divisors (see below), whose sum is σ = 17057768. Its totient is φ = 7591320.

The previous prime is 11387219. The next prime is 11387237. The reversal of 11387223 is 32278311.

It is not a de Polignac number, because 11387223 - 2² = 11387219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11387273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23188 + ... + 23673.

Almost surely, 2^11387223 is an apocalyptic number.

11387223 is a deficient number, since it is larger than the sum of its proper divisors (5670545).

11387223 is an frugal number, since it uses more digits than its factorization.

11387223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46876 (or 46864 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 11387223 is about 3374.4959623624. The cubic root of 11387223 is about 224.9775977696.

The spelling of 11387223 in words is "eleven million, three hundred eighty-seven thousand, two hundred twenty-three".