111342223 has 16 divisors (see below), whose sum is σ = 121788000. Its totient is φ = 101388672.

The previous prime is 111342211. The next prime is 111342239. The reversal of 111342223 is 322243111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111342223 - 2⁵ = 111342191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 111342223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111342823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218493 + ... + 219001.

It is an arithmetic number, because the mean of its divisors is an integer number (7611750).

Almost surely, 2^111342223 is an apocalyptic number.

111342223 is a deficient number, since it is larger than the sum of its proper divisors (10445777).

111342223 is a wasteful number, since it uses less digits than its factorization.

111342223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its digits is 288, while the sum is 19.

The square root of 111342223 is about 10551.8824386931. The cubic root of 111342223 is about 481.0829469549.

Adding to 111342223 its reverse (322243111), we get a palindrome (433585334).

The spelling of 111342223 in words is "one hundred eleven million, three hundred forty-two thousand, two hundred twenty-three".