6609423 has 4 divisors (see below), whose sum is σ = 8812568. Its totient is φ = 4406280.

The previous prime is 6609409. The next prime is 6609437. The reversal of 6609423 is 3249066.

6609423 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (6609409) and next prime (6609437).

It is not a de Polignac number, because 6609423 - 2⁹ = 6608911 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6609443) 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, 1101568 + ... + 1101573.

It is an arithmetic number, because the mean of its divisors is an integer number (2203142).

Almost surely, 2^6609423 is an apocalyptic number.

6609423 is a deficient number, since it is larger than the sum of its proper divisors (2203145).

6609423 is a wasteful number, since it uses less digits than its factorization.

6609423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203144.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 6609423 is about 2570.8798104929. The cubic root of 6609423 is about 187.6669730403. Note that the first 3 decimals are identical.

The spelling of 6609423 in words is "six million, six hundred nine thousand, four hundred twenty-three".