243046343 has 4 divisors (see below), whose sum is σ = 243905448. Its totient is φ = 242187240.

The previous prime is 243046339. The next prime is 243046367. The reversal of 243046343 is 343640342.

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 243046343 - 2² = 243046339 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 (243049343) 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, 429128 + ... + 429693.

It is an arithmetic number, because the mean of its divisors is an integer number (60976362).

Almost surely, 2^243046343 is an apocalyptic number.

243046343 is a deficient number, since it is larger than the sum of its proper divisors (859105).

243046343 is an equidigital number, since it uses as much as digits as its factorization.

243046343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859104.

The product of its (nonzero) digits is 20736, while the sum is 29.

The square root of 243046343 is about 15589.9436496737. The cubic root of 243046343 is about 624.0648140749.

Adding to 243046343 its reverse (343640342), we get a palindrome (586686685).

The spelling of 243046343 in words is "two hundred forty-three million, forty-six thousand, three hundred forty-three".