6423171 has 4 divisors (see below), whose sum is σ = 8564232. Its totient is φ = 4282112.

The previous prime is 6423167. The next prime is 6423173. The reversal of 6423171 is 1713246.

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 6423171 - 2² = 6423167 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6423173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070526 + ... + 1070531.

It is an arithmetic number, because the mean of its divisors is an integer number (2141058).

Almost surely, 2^6423171 is an apocalyptic number.

6423171 is a deficient number, since it is larger than the sum of its proper divisors (2141061).

6423171 is a wasteful number, since it uses less digits than its factorization.

6423171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141060.

The product of its digits is 1008, while the sum is 24.

The square root of 6423171 is about 2534.3975615519. The cubic root of 6423171 is about 185.8873465137.

The spelling of 6423171 in words is "six million, four hundred twenty-three thousand, one hundred seventy-one".