6671423 has 4 divisors (see below), whose sum is σ = 7277928. Its totient is φ = 6064920.

The previous prime is 6671411. The next prime is 6671443. The reversal of 6671423 is 3241766.

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 6671423 - 2⁸ = 6671167 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 (6671443) 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, 303236 + ... + 303257.

It is an arithmetic number, because the mean of its divisors is an integer number (1819482).

Almost surely, 2^6671423 is an apocalyptic number.

6671423 is a deficient number, since it is larger than the sum of its proper divisors (606505).

6671423 is a wasteful number, since it uses less digits than its factorization.

6671423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606504.

The product of its digits is 6048, while the sum is 29.

The square root of 6671423 is about 2582.9097932371. The cubic root of 6671423 is about 188.2519539464.

The spelling of 6671423 in words is "six million, six hundred seventy-one thousand, four hundred twenty-three".