43112243 has 4 divisors (see below), whose sum is σ = 43234728. Its totient is φ = 42989760.

The previous prime is 43112233. The next prime is 43112269. The reversal of 43112243 is 34221134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43112243 - 2⁸ = 43111987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43112203) 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, 60713 + ... + 61418.

It is an arithmetic number, because the mean of its divisors is an integer number (10808682).

Almost surely, 2^43112243 is an apocalyptic number.

43112243 is a deficient number, since it is larger than the sum of its proper divisors (122485).

43112243 is a wasteful number, since it uses less digits than its factorization.

43112243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122484.

The product of its digits is 576, while the sum is 20.

The square root of 43112243 is about 6565.9913950599. The cubic root of 43112243 is about 350.6443721258.

Adding to 43112243 its reverse (34221134), we get a palindrome (77333377).

The spelling of 43112243 in words is "forty-three million, one hundred twelve thousand, two hundred forty-three".