111343743 has 48 divisors (see below), whose sum is σ = 194987520. Its totient is φ = 59807808.

The previous prime is 111343733. The next prime is 111343747. The reversal of 111343743 is 347343111.

It is not a de Polignac number, because 111343743 - 2⁵ = 111343711 is a prime.

Its product of digits (3024) is a multiple of the sum of its prime factors (756).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111343747) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 199621 + ... + 200177.

It is an arithmetic number, because the mean of its divisors is an integer number (4062240).

Almost surely, 2^111343743 is an apocalyptic number.

111343743 is a deficient number, since it is larger than the sum of its proper divisors (83643777).

111343743 is a wasteful number, since it uses less digits than its factorization.

111343743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 753 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 111343743 is about 10551.9544635105. The cubic root of 111343743 is about 481.0851361297.

Adding to 111343743 its reverse (347343111), we get a palindrome (458686854).

The spelling of 111343743 in words is "one hundred eleven million, three hundred forty-three thousand, seven hundred forty-three".