243252343 has 2 divisors, whose sum is σ = 243252344. Its totient is φ = 243252342.

The previous prime is 243252271. The next prime is 243252349. The reversal of 243252343 is 343252342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243252343 - 2⁹ = 243251831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243252349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121626171 + 121626172.

It is an arithmetic number, because the mean of its divisors is an integer number (121626172).

Almost surely, 2^243252343 is an apocalyptic number.

243252343 is a deficient number, since it is larger than the sum of its proper divisors (1).

243252343 is an equidigital number, since it uses as much as digits as its factorization.

243252343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 28.

The square root of 243252343 is about 15596.5490734329. The cubic root of 243252343 is about 624.2410781933.

Subtracting 243252343 from its reverse (343252342), we obtain a palindrome (99999999).

The spelling of 243252343 in words is "two hundred forty-three million, two hundred fifty-two thousand, three hundred forty-three".