671067223 has 2 divisors, whose sum is σ = 671067224. Its totient is φ = 671067222.

The previous prime is 671067217. The next prime is 671067227. The reversal of 671067223 is 322760176.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671067223 - 2⁵ = 671067191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671067227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335533611 + 335533612.

It is an arithmetic number, because the mean of its divisors is an integer number (335533612).

Almost surely, 2^671067223 is an apocalyptic number.

671067223 is a deficient number, since it is larger than the sum of its proper divisors (1).

671067223 is an equidigital number, since it uses as much as digits as its factorization.

671067223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 671067223 is about 25904.9652190463. The cubic root of 671067223 is about 875.4983710021.

The spelling of 671067223 in words is "six hundred seventy-one million, sixty-seven thousand, two hundred twenty-three".