671446923 has 8 divisors (see below), whose sum is σ = 1023157248. Its totient is φ = 383683944.

The previous prime is 671446913. The next prime is 671446927. The reversal of 671446923 is 329644176.

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

It is not a de Polignac number, because 671446923 - 2⁴ = 671446907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671446927) 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, 15986811 + ... + 15986852.

It is an arithmetic number, because the mean of its divisors is an integer number (127894656).

Almost surely, 2^671446923 is an apocalyptic number.

671446923 is a deficient number, since it is larger than the sum of its proper divisors (351710325).

671446923 is a wasteful number, since it uses less digits than its factorization.

671446923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31973673.

The product of its digits is 217728, while the sum is 42.

The square root of 671446923 is about 25912.2928935284. The cubic root of 671446923 is about 875.6634632822.

The spelling of 671446923 in words is "six hundred seventy-one million, four hundred forty-six thousand, nine hundred twenty-three".