243344343 has 16 divisors (see below), whose sum is σ = 372585600. Its totient is φ = 139718880.

The previous prime is 243344329. The next prime is 243344351. The reversal of 243344343 is 343443342.

243344343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243344343 - 2⁶ = 243344279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243344343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243344323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193428 + ... + 194681.

It is an arithmetic number, because the mean of its divisors is an integer number (23286600).

Almost surely, 2^243344343 is an apocalyptic number.

243344343 is a deficient number, since it is larger than the sum of its proper divisors (129241257).

243344343 is a wasteful number, since it uses less digits than its factorization.

243344343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388142.

The product of its digits is 41472, while the sum is 30.

The square root of 243344343 is about 15599.4981650052. The cubic root of 243344343 is about 624.3197659459.

Adding to 243344343 its reverse (343443342), we get a palindrome (586787685).

The spelling of 243344343 in words is "two hundred forty-three million, three hundred forty-four thousand, three hundred forty-three".