243234351343 has 2 divisors, whose sum is σ = 243234351344. Its totient is φ = 243234351342.

The previous prime is 243234351341. The next prime is 243234351361. The reversal of 243234351343 is 343153432342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243234351343 - 2¹ = 243234351341 is a prime.

Together with 243234351341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243234351341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121617175671 + 121617175672.

It is an arithmetic number, because the mean of its divisors is an integer number (121617175672).

Almost surely, 2^243234351343 is an apocalyptic number.

243234351343 is a deficient number, since it is larger than the sum of its proper divisors (1).

243234351343 is an equidigital number, since it uses as much as digits as its factorization.

243234351343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 37.

Adding to 243234351343 its reverse (343153432342), we get a palindrome (586387783685).

The spelling of 243234351343 in words is "two hundred forty-three billion, two hundred thirty-four million, three hundred fifty-one thousand, three hundred forty-three".