43120243 has 4 divisors (see below), whose sum is σ = 43639848. Its totient is φ = 42600640.

The previous prime is 43120241. The next prime is 43120247. The reversal of 43120243 is 34202134.

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 43120243 - 2¹ = 43120241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43120243.

It is not an unprimeable number, because it can be changed into a prime (43120241) 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, 259678 + ... + 259843.

It is an arithmetic number, because the mean of its divisors is an integer number (10909962).

Almost surely, 2^43120243 is an apocalyptic number.

43120243 is a deficient number, since it is larger than the sum of its proper divisors (519605).

43120243 is an equidigital number, since it uses as much as digits as its factorization.

43120243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519604.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 43120243 is about 6566.6005665032. The cubic root of 43120243 is about 350.6660595576. Note that the first 3 decimals are identical.

Adding to 43120243 its reverse (34202134), we get a palindrome (77322377).

The spelling of 43120243 in words is "forty-three million, one hundred twenty thousand, two hundred forty-three".