2340442343 has 4 divisors (see below), whose sum is σ = 2478115440. Its totient is φ = 2202769248.

The previous prime is 2340442337. The next prime is 2340442381. The reversal of 2340442343 is 3432440432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2340442343 - 2¹⁰ = 2340441319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340442393) 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 in 3 ways as a sum of consecutive naturals, for example, 68836523 + ... + 68836556.

It is an arithmetic number, because the mean of its divisors is an integer number (619528860).

Almost surely, 2^2340442343 is an apocalyptic number.

2340442343 is a deficient number, since it is larger than the sum of its proper divisors (137673097).

2340442343 is a wasteful number, since it uses less digits than its factorization.

2340442343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137673096.

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

The square root of 2340442343 is about 48378.1184317869. The cubic root of 2340442343 is about 1327.6980443948.

Adding to 2340442343 its reverse (3432440432), we get a palindrome (5772882775).

The spelling of 2340442343 in words is "two billion, three hundred forty million, four hundred forty-two thousand, three hundred forty-three".