111123230 has 16 divisors (see below), whose sum is σ = 202004064. Its totient is φ = 44008800.

The previous prime is 111123197. The next prime is 111123253. The reversal of 111123230 is 32321111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54002 + ... + 56021.

It is an arithmetic number, because the mean of its divisors is an integer number (12625254).

Almost surely, 2^111123230 is an apocalyptic number.

111123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111123230 is a deficient number, since it is larger than the sum of its proper divisors (90880834).

111123230 is a wasteful number, since it uses less digits than its factorization.

111123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110131.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 111123230 is about 10541.5003675947. The cubic root of 111123230 is about 480.7673345960.

Adding to 111123230 its reverse (32321111), we get a palindrome (143444341).

The spelling of 111123230 in words is "one hundred eleven million, one hundred twenty-three thousand, two hundred thirty".