685466323 has 2 divisors, whose sum is σ = 685466324. Its totient is φ = 685466322.

The previous prime is 685466321. The next prime is 685466351. The reversal of 685466323 is 323664586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 685466323 - 2¹ = 685466321 is a prime.

Together with 685466321, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 685466323.

It is not a weakly prime, because it can be changed into another prime (685466321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342733161 + 342733162.

It is an arithmetic number, because the mean of its divisors is an integer number (342733162).

Almost surely, 2^685466323 is an apocalyptic number.

685466323 is a deficient number, since it is larger than the sum of its proper divisors (1).

685466323 is an equidigital number, since it uses as much as digits as its factorization.

685466323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 43.

The square root of 685466323 is about 26181.4117839356. The cubic root of 685466323 is about 881.7159712105.

The spelling of 685466323 in words is "six hundred eighty-five million, four hundred sixty-six thousand, three hundred twenty-three".