6671723 has 2 divisors, whose sum is σ = 6671724. Its totient is φ = 6671722.

The previous prime is 6671719. The next prime is 6671747. The reversal of 6671723 is 3271766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6671723 - 2² = 6671719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6671723.

It is not a weakly prime, because it can be changed into another prime (6671713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335861 + 3335862.

It is an arithmetic number, because the mean of its divisors is an integer number (3335862).

Almost surely, 2^6671723 is an apocalyptic number.

6671723 is a deficient number, since it is larger than the sum of its proper divisors (1).

6671723 is an equidigital number, since it uses as much as digits as its factorization.

6671723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 32.

The square root of 6671723 is about 2582.9678666217. The cubic root of 6671723 is about 188.2547756702.

The spelling of 6671723 in words is "six million, six hundred seventy-one thousand, seven hundred twenty-three".