11138223 has 8 divisors (see below), whose sum is σ = 14928688. Its totient is φ = 7386624.

The previous prime is 11138203. The next prime is 11138243. The reversal of 11138223 is 32283111.

It is an interprime number because it is at equal distance from previous prime (11138203) and next prime (11138243).

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

It is not a de Polignac number, because 11138223 - 2⁵ = 11138191 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 11138223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11138203) 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, 9040 + ... + 10197.

It is an arithmetic number, because the mean of its divisors is an integer number (1866086).

Almost surely, 2^11138223 is an apocalyptic number.

11138223 is a deficient number, since it is larger than the sum of its proper divisors (3790465).

11138223 is a wasteful number, since it uses less digits than its factorization.

11138223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19433.

The product of its digits is 288, while the sum is 21.

The square root of 11138223 is about 3337.3976388797. The cubic root of 11138223 is about 223.3256651905.

The spelling of 11138223 in words is "eleven million, one hundred thirty-eight thousand, two hundred twenty-three".