6433423 has 4 divisors (see below), whose sum is σ = 6446248. Its totient is φ = 6420600.

The previous prime is 6433421. The next prime is 6433519. The reversal of 6433423 is 3243346.

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 6433423 - 2¹ = 6433421 is a prime.

It is a d-powerful number, because it can be written as 6⁵ + 4⁶ + 3⁹ + 3¹³ + 4⁷ + 2¹³ + 3¹⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6433421) 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 3 ways as a sum of consecutive naturals, for example, 5628 + ... + 6673.

It is an arithmetic number, because the mean of its divisors is an integer number (1611562).

Almost surely, 2^6433423 is an apocalyptic number.

6433423 is a deficient number, since it is larger than the sum of its proper divisors (12825).

6433423 is a wasteful number, since it uses less digits than its factorization.

6433423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12824.

The product of its digits is 5184, while the sum is 25.

The square root of 6433423 is about 2536.4193265310. The cubic root of 6433423 is about 185.9861919838.

Adding to 6433423 its reverse (3243346), we get a palindrome (9676769).

The spelling of 6433423 in words is "six million, four hundred thirty-three thousand, four hundred twenty-three".