2340310243 has 2 divisors, whose sum is σ = 2340310244. Its totient is φ = 2340310242.

The previous prime is 2340310229. The next prime is 2340310267. The reversal of 2340310243 is 3420130432.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2340310243 - 2¹³ = 2340302051 is a prime.

It is not a weakly prime, because it can be changed into another prime (2340310213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170155121 + 1170155122.

It is an arithmetic number, because the mean of its divisors is an integer number (1170155122).

Almost surely, 2^2340310243 is an apocalyptic number.

2340310243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340310243 is an equidigital number, since it uses as much as digits as its factorization.

2340310243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2340310243 is about 48376.7531258558. The cubic root of 2340310243 is about 1327.6730644713.

Adding to 2340310243 its reverse (3420130432), we get a palindrome (5760440675).

The spelling of 2340310243 in words is "two billion, three hundred forty million, three hundred ten thousand, two hundred forty-three".