243341443 has 2 divisors, whose sum is σ = 243341444. Its totient is φ = 243341442.

The previous prime is 243341431. The next prime is 243341459. The reversal of 243341443 is 344143342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243341443 - 2⁹ = 243340931 is a prime.

It is not a weakly prime, because it can be changed into another prime (243341473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121670721 + 121670722.

It is an arithmetic number, because the mean of its divisors is an integer number (121670722).

Almost surely, 2^243341443 is an apocalyptic number.

243341443 is a deficient number, since it is larger than the sum of its proper divisors (1).

243341443 is an equidigital number, since it uses as much as digits as its factorization.

243341443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 28.

The square root of 243341443 is about 15599.4052130201. The cubic root of 243341443 is about 624.3172858738.

Adding to 243341443 its reverse (344143342), we get a palindrome (587484785).

The spelling of 243341443 in words is "two hundred forty-three million, three hundred forty-one thousand, four hundred forty-three".