11731223 has 8 divisors (see below), whose sum is σ = 13446048. Its totient is φ = 10026144.

The previous prime is 11731211. The next prime is 11731243. The reversal of 11731223 is 32213711.

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 11731223 - 2¹⁴ = 11714839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11731195 and 11731204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11731243) 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, 365 + ... + 4857.

It is an arithmetic number, because the mean of its divisors is an integer number (1680756).

Almost surely, 2^11731223 is an apocalyptic number.

11731223 is a deficient number, since it is larger than the sum of its proper divisors (1714825).

11731223 is an equidigital number, since it uses as much as digits as its factorization.

11731223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873.

The product of its digits is 252, while the sum is 20.

The square root of 11731223 is about 3425.0872981575. The cubic root of 11731223 is about 227.2206320015.

Adding to 11731223 its reverse (32213711), we get a palindrome (43944934).

The spelling of 11731223 in words is "eleven million, seven hundred thirty-one thousand, two hundred twenty-three".