243120341 has 2 divisors, whose sum is σ = 243120342. Its totient is φ = 243120340.

The previous prime is 243120329. The next prime is 243120359. The reversal of 243120341 is 143021342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198951025 + 44169316 = 14105^2 + 6646^2 .

It is a cyclic number.

It is not a de Polignac number, because 243120341 - 2¹⁸ = 242858197 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243120301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121560170 + 121560171.

It is an arithmetic number, because the mean of its divisors is an integer number (121560171).

Almost surely, 2^243120341 is an apocalyptic number.

It is an amenable number.

243120341 is a deficient number, since it is larger than the sum of its proper divisors (1).

243120341 is an equidigital number, since it uses as much as digits as its factorization.

243120341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 243120341 is about 15592.3167297230. The cubic root of 243120341 is about 624.1281420007.

Adding to 243120341 its reverse (143021342), we get a palindrome (386141683).

The spelling of 243120341 in words is "two hundred forty-three million, one hundred twenty thousand, three hundred forty-one".