243202343 has 2 divisors, whose sum is σ = 243202344. Its totient is φ = 243202342.

The previous prime is 243202327. The next prime is 243202361. The reversal of 243202343 is 343202342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243202343 - 2⁴ = 243202327 is a prime.

It is a Sophie Germain prime.

It is a zygodrome in base 5.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243202313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121601171 + 121601172.

It is an arithmetic number, because the mean of its divisors is an integer number (121601172).

Almost surely, 2^243202343 is an apocalyptic number.

243202343 is a deficient number, since it is larger than the sum of its proper divisors (1).

243202343 is an equidigital number, since it uses as much as digits as its factorization.

243202343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 243202343 is about 15594.9460723659. The cubic root of 243202343 is about 624.1983047887.

Adding to 243202343 its reverse (343202342), we get a palindrome (586404685).

Subtracting 243202343 from its reverse (343202342), we obtain a palindrome (99999999).

The spelling of 243202343 in words is "two hundred forty-three million, two hundred two thousand, three hundred forty-three".