111213223 has 8 divisors (see below), whose sum is σ = 122026896. Its totient is φ = 100516800.

The previous prime is 111213217. The next prime is 111213227. The reversal of 111213223 is 322312111.

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 111213223 - 2⁵ = 111213191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111213197 and 111213206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111213227) 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, 27318 + ... + 31123.

It is an arithmetic number, because the mean of its divisors is an integer number (15253362).

Almost surely, 2^111213223 is an apocalyptic number.

111213223 is a deficient number, since it is larger than the sum of its proper divisors (10813673).

111213223 is a wasteful number, since it uses less digits than its factorization.

111213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58625.

The product of its digits is 72, while the sum is 16.

The square root of 111213223 is about 10545.7680137579. The cubic root of 111213223 is about 480.8970825057.

Adding to 111213223 its reverse (322312111), we get a palindrome (433525334).

The spelling of 111213223 in words is "one hundred eleven million, two hundred thirteen thousand, two hundred twenty-three".