674805823 has 2 divisors, whose sum is σ = 674805824. Its totient is φ = 674805822.

The previous prime is 674805787. The next prime is 674805827. The reversal of 674805823 is 328508476.

674805823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674805823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 674805823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674805827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337402911 + 337402912.

It is an arithmetic number, because the mean of its divisors is an integer number (337402912).

Almost surely, 2^674805823 is an apocalyptic number.

674805823 is a deficient number, since it is larger than the sum of its proper divisors (1).

674805823 is an equidigital number, since it uses as much as digits as its factorization.

674805823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 674805823 is about 25977.0249066362. The cubic root of 674805823 is about 877.1211982868.

The spelling of 674805823 in words is "six hundred seventy-four million, eight hundred five thousand, eight hundred twenty-three".