671066323 has 2 divisors, whose sum is σ = 671066324. Its totient is φ = 671066322.

The previous prime is 671066281. The next prime is 671066327. The reversal of 671066323 is 323660176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671066323 - 2²⁵ = 637511891 is a prime.

It is not a weakly prime, because it can be changed into another prime (671066327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335533161 + 335533162.

It is an arithmetic number, because the mean of its divisors is an integer number (335533162).

Almost surely, 2^671066323 is an apocalyptic number.

671066323 is a deficient number, since it is larger than the sum of its proper divisors (1).

671066323 is an equidigital number, since it uses as much as digits as its factorization.

671066323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 671066323 is about 25904.9478478533. The cubic root of 671066323 is about 875.4979796111.

The spelling of 671066323 in words is "six hundred seventy-one million, sixty-six thousand, three hundred twenty-three".