112543243 has 2 divisors, whose sum is σ = 112543244. Its totient is φ = 112543242.

The previous prime is 112543241. The next prime is 112543283. The reversal of 112543243 is 342345211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112543243 - 2¹ = 112543241 is a prime.

Together with 112543241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112543241) 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 as a sum of consecutive naturals, namely, 56271621 + 56271622.

It is an arithmetic number, because the mean of its divisors is an integer number (56271622).

Almost surely, 2^112543243 is an apocalyptic number.

112543243 is a deficient number, since it is larger than the sum of its proper divisors (1).

112543243 is an equidigital number, since it uses as much as digits as its factorization.

112543243 is an odious number, because the sum of its binary digits is odd.

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

The square root of 112543243 is about 10608.6400165148. The cubic root of 112543243 is about 482.8065372053.

Adding to 112543243 its reverse (342345211), we get a palindrome (454888454).

The spelling of 112543243 in words is "one hundred twelve million, five hundred forty-three thousand, two hundred forty-three".