111443234 has 16 divisors (see below), whose sum is σ = 199352448. Its totient is φ = 45684672.

The previous prime is 111443231. The next prime is 111443243. The reversal of 111443234 is 432344111.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (111443231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172727 + ... + 173370.

It is an arithmetic number, because the mean of its divisors is an integer number (12459528).

Almost surely, 2^111443234 is an apocalyptic number.

111443234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111443234 is a deficient number, since it is larger than the sum of its proper divisors (87909214).

111443234 is a wasteful number, since it uses less digits than its factorization.

111443234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346129.

The product of its digits is 1152, while the sum is 23.

The square root of 111443234 is about 10556.6677507630. The cubic root of 111443234 is about 481.2283843892.

Adding to 111443234 its reverse (432344111), we get a palindrome (543787345).

The spelling of 111443234 in words is "one hundred eleven million, four hundred forty-three thousand, two hundred thirty-four".