4340543423 has 4 divisors (see below), whose sum is σ = 4341834408. Its totient is φ = 4339252440.

The previous prime is 4340543413. The next prime is 4340543429. The reversal of 4340543423 is 3243450434.

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 4340543423 - 2⁸ = 4340543167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4340543423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340543429) 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, 640436 + ... + 647177.

It is an arithmetic number, because the mean of its divisors is an integer number (1085458602).

Almost surely, 2^4340543423 is an apocalyptic number.

4340543423 is a deficient number, since it is larger than the sum of its proper divisors (1290985).

4340543423 is a wasteful number, since it uses less digits than its factorization.

4340543423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290984.

The product of its (nonzero) digits is 69120, while the sum is 32.

The square root of 4340543423 is about 65882.8006614777. The cubic root of 4340543423 is about 1631.2281287164.

Adding to 4340543423 its reverse (3243450434), we get a palindrome (7583993857).

The spelling of 4340543423 in words is "four billion, three hundred forty million, five hundred forty-three thousand, four hundred twenty-three".