4340423 has 8 divisors (see below), whose sum is σ = 4633200. Its totient is φ = 4051840.

The previous prime is 4340419. The next prime is 4340429. The reversal of 4340423 is 3240434.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4340423 - 2² = 4340419 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4340395 and 4340404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253 + ... + 3201.

It is an arithmetic number, because the mean of its divisors is an integer number (579150).

Almost surely, 2^4340423 is an apocalyptic number.

4340423 is a deficient number, since it is larger than the sum of its proper divisors (292777).

4340423 is a wasteful number, since it uses less digits than its factorization.

4340423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4340423 is about 2083.3681863751. The cubic root of 4340423 is about 163.1213043109.

Adding to 4340423 its reverse (3240434), we get a palindrome (7580857).

The spelling of 4340423 in words is "four million, three hundred forty thousand, four hundred twenty-three".