11718223 has 8 divisors (see below), whose sum is σ = 12862080. Its totient is φ = 10587480.

The previous prime is 11718221. The next prime is 11718229. The reversal of 11718223 is 32281711.

It is a happy number.

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 11718223 - 2¹ = 11718221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11718221) 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, 1353 + ... + 5026.

It is an arithmetic number, because the mean of its divisors is an integer number (1607760).

Almost surely, 2^11718223 is an apocalyptic number.

11718223 is a deficient number, since it is larger than the sum of its proper divisors (1143857).

11718223 is a wasteful number, since it uses less digits than its factorization.

11718223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6557.

The product of its digits is 672, while the sum is 25.

The square root of 11718223 is about 3423.1890102651. The cubic root of 11718223 is about 227.1366691728.

Adding to 11718223 its reverse (32281711), we get a palindrome (43999934).

The spelling of 11718223 in words is "eleven million, seven hundred eighteen thousand, two hundred twenty-three".