4142340343 has 4 divisors (see below), whose sum is σ = 4386007440. Its totient is φ = 3898673248.

The previous prime is 4142340337. The next prime is 4142340379. The reversal of 4142340343 is 3430432414.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4142340343 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 (4142340443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121833523 + ... + 121833556.

It is an arithmetic number, because the mean of its divisors is an integer number (1096501860).

Almost surely, 2^4142340343 is an apocalyptic number.

4142340343 is a deficient number, since it is larger than the sum of its proper divisors (243667097).

4142340343 is a wasteful number, since it uses less digits than its factorization.

4142340343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243667096.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 4142340343 is about 64361.0157082686. The cubic root of 4142340343 is about 1606.0112858209.

Adding to 4142340343 its reverse (3430432414), we get a palindrome (7572772757).

The spelling of 4142340343 in words is "four billion, one hundred forty-two million, three hundred forty thousand, three hundred forty-three".