682820923 has 2 divisors, whose sum is σ = 682820924. Its totient is φ = 682820922.

The previous prime is 682820909. The next prime is 682820953. The reversal of 682820923 is 329028286.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682820923 is a prime.

It is not a weakly prime, because it can be changed into another prime (682820953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341410461 + 341410462.

It is an arithmetic number, because the mean of its divisors is an integer number (341410462).

Almost surely, 2^682820923 is an apocalyptic number.

682820923 is a deficient number, since it is larger than the sum of its proper divisors (1).

682820923 is an equidigital number, since it uses as much as digits as its factorization.

682820923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 682820923 is about 26130.8423706546. The cubic root of 682820923 is about 880.5802487718.

The spelling of 682820923 in words is "six hundred eighty-two million, eight hundred twenty thousand, nine hundred twenty-three".