11143223 has 8 divisors (see below), whose sum is σ = 13714848. Its totient is φ = 8816544.

The previous prime is 11143219. The next prime is 11143243. The reversal of 11143223 is 32234111.

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

It is a cyclic number.

It is not a de Polignac number, because 11143223 - 2² = 11143219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143243) 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, 61136 + ... + 61317.

It is an arithmetic number, because the mean of its divisors is an integer number (1714356).

Almost surely, 2^11143223 is an apocalyptic number.

11143223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11143223 is a deficient number, since it is larger than the sum of its proper divisors (2571625).

11143223 is a wasteful number, since it uses less digits than its factorization.

11143223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122473.

The product of its digits is 144, while the sum is 17.

The square root of 11143223 is about 3338.1466414764. The cubic root of 11143223 is about 223.3590775006.

Adding to 11143223 its reverse (32234111), we get a palindrome (43377334).

It can be divided in two parts, 111 and 43223, that added together give a palindrome (43334).

The spelling of 11143223 in words is "eleven million, one hundred forty-three thousand, two hundred twenty-three".