443140343 has 4 divisors (see below), whose sum is σ = 469207440. Its totient is φ = 417073248.

The previous prime is 443140331. The next prime is 443140391. The reversal of 443140343 is 343041344.

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 443140343 - 2⁶ = 443140279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443140303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13033523 + ... + 13033556.

It is an arithmetic number, because the mean of its divisors is an integer number (117301860).

Almost surely, 2^443140343 is an apocalyptic number.

443140343 is a deficient number, since it is larger than the sum of its proper divisors (26067097).

443140343 is a wasteful number, since it uses less digits than its factorization.

443140343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26067096.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 443140343 is about 21050.8988644191. The cubic root of 443140343 is about 762.3956853804.

Adding to 443140343 its reverse (343041344), we get a palindrome (786181687).

The spelling of 443140343 in words is "four hundred forty-three million, one hundred forty thousand, three hundred forty-three".