2340443243 has 2 divisors, whose sum is σ = 2340443244. Its totient is φ = 2340443242.

The previous prime is 2340443197. The next prime is 2340443279. The reversal of 2340443243 is 3423440432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2340443243 - 2¹⁶ = 2340377707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2340443143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170221621 + 1170221622.

It is an arithmetic number, because the mean of its divisors is an integer number (1170221622).

Almost surely, 2^2340443243 is an apocalyptic number.

2340443243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340443243 is an equidigital number, since it uses as much as digits as its factorization.

2340443243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 29.

The square root of 2340443243 is about 48378.1277335120. The cubic root of 2340443243 is about 1327.6982145803.

Adding to 2340443243 its reverse (3423440432), we get a palindrome (5763883675).

The spelling of 2340443243 in words is "two billion, three hundred forty million, four hundred forty-three thousand, two hundred forty-three".