111434443 has 8 divisors (see below), whose sum is σ = 115552800. Its totient is φ = 107334528.

The previous prime is 111434419. The next prime is 111434447. The reversal of 111434443 is 344434111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111434443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111434447) 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, 8355 + ... + 17107.

It is an arithmetic number, because the mean of its divisors is an integer number (14444100).

Almost surely, 2^111434443 is an apocalyptic number.

111434443 is a deficient number, since it is larger than the sum of its proper divisors (4118357).

111434443 is an equidigital number, since it uses as much as digits as its factorization.

111434443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9221.

The product of its digits is 2304, while the sum is 25.

The square root of 111434443 is about 10556.2513706334. The cubic root of 111434443 is about 481.2157304433.

Adding to 111434443 its reverse (344434111), we get a palindrome (455868554).

The spelling of 111434443 in words is "one hundred eleven million, four hundred thirty-four thousand, four hundred forty-three".