43441243 has 4 divisors (see below), whose sum is σ = 43454448. Its totient is φ = 43428040.

The previous prime is 43441241. The next prime is 43441249. The reversal of 43441243 is 34214434.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 43441243 - 2¹ = 43441241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43441241) 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, 2730 + ... + 9712.

It is an arithmetic number, because the mean of its divisors is an integer number (10863612).

Almost surely, 2^43441243 is an apocalyptic number.

43441243 is a deficient number, since it is larger than the sum of its proper divisors (13205).

43441243 is an equidigital number, since it uses as much as digits as its factorization.

43441243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13204.

The product of its digits is 4608, while the sum is 25.

The square root of 43441243 is about 6590.9971172805. The cubic root of 43441243 is about 351.5340635949.

Adding to 43441243 its reverse (34214434), we get a palindrome (77655677).

The spelling of 43441243 in words is "forty-three million, four hundred forty-one thousand, two hundred forty-three".