112243543 has 4 divisors (see below), whose sum is σ = 116114040. Its totient is φ = 108373048.

The previous prime is 112243541. The next prime is 112243553. The reversal of 112243543 is 345342211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345342211 = 103 ⋅3352837.

It is a cyclic number.

It is not a de Polignac number, because 112243543 - 2¹ = 112243541 is a prime.

It is a super-2 number, since 2×112243543² = 25197225890385698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112243541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1935205 + ... + 1935262.

It is an arithmetic number, because the mean of its divisors is an integer number (29028510).

Almost surely, 2^112243543 is an apocalyptic number.

112243543 is a deficient number, since it is larger than the sum of its proper divisors (3870497).

112243543 is an equidigital number, since it uses as much as digits as its factorization.

112243543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870496.

The product of its digits is 2880, while the sum is 25.

The square root of 112243543 is about 10594.5053211559. The cubic root of 112243543 is about 482.3775887485.

Adding to 112243543 its reverse (345342211), we get a palindrome (457585754).

The spelling of 112243543 in words is "one hundred twelve million, two hundred forty-three thousand, five hundred forty-three".