671485823 has 8 divisors (see below), whose sum is σ = 710054016. Its totient is φ = 633974400.

The previous prime is 671485819. The next prime is 671485831. The reversal of 671485823 is 328584176.

671485823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 671485823 - 2² = 671485819 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 (671485813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262886 + ... + 265427.

It is an arithmetic number, because the mean of its divisors is an integer number (88756752).

Almost surely, 2^671485823 is an apocalyptic number.

671485823 is a deficient number, since it is larger than the sum of its proper divisors (38568193).

671485823 is a wasteful number, since it uses less digits than its factorization.

671485823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528385.

The product of its digits is 322560, while the sum is 44.

The square root of 671485823 is about 25913.0434916472. The cubic root of 671485823 is about 875.6803733559.

The spelling of 671485823 in words is "six hundred seventy-one million, four hundred eighty-five thousand, eight hundred twenty-three".