2340321243 has 16 divisors (see below), whose sum is σ = 3431963136. Its totient is φ = 1409554080.

The previous prime is 2340321229. The next prime is 2340321253. The reversal of 2340321243 is 3421230432.

It is not a de Polignac number, because 2340321243 - 2²⁰ = 2339272667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2340321253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636553 + ... + 640218.

It is an arithmetic number, because the mean of its divisors is an integer number (214497696).

Almost surely, 2^2340321243 is an apocalyptic number.

2340321243 is a deficient number, since it is larger than the sum of its proper divisors (1091641893).

2340321243 is a wasteful number, since it uses less digits than its factorization.

2340321243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276834.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2340321243 is about 48376.8668166925. The cubic root of 2340321243 is about 1327.6751445917.

Adding to 2340321243 its reverse (3421230432), we get a palindrome (5761551675).

The spelling of 2340321243 in words is "two billion, three hundred forty million, three hundred twenty-one thousand, two hundred forty-three".