671562727323 has 8 divisors (see below), whose sum is σ = 902252214336. Its totient is φ = 444290862600.

The previous prime is 671562727321. The next prime is 671562727361. The reversal of 671562727323 is 323727265176.

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

It is not a de Polignac number, because 671562727323 - 2¹ = 671562727321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671562727321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854405113 + ... + 854405898.

It is an arithmetic number, because the mean of its divisors is an integer number (112781526792).

Almost surely, 2^671562727323 is an apocalyptic number.

671562727323 is a deficient number, since it is larger than the sum of its proper divisors (230689487013).

671562727323 is a wasteful number, since it uses less digits than its factorization.

671562727323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708811145.

The product of its digits is 4445280, while the sum is 51.

The spelling of 671562727323 in words is "six hundred seventy-one billion, five hundred sixty-two million, seven hundred twenty-seven thousand, three hundred twenty-three".