804492823 has 2 divisors, whose sum is σ = 804492824. Its totient is φ = 804492822.

The previous prime is 804492791. The next prime is 804492839. The reversal of 804492823 is 328294408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 804492823 - 2⁵ = 804492791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804492863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402246411 + 402246412.

It is an arithmetic number, because the mean of its divisors is an integer number (402246412).

Almost surely, 2^804492823 is an apocalyptic number.

804492823 is a deficient number, since it is larger than the sum of its proper divisors (1).

804492823 is an equidigital number, since it uses as much as digits as its factorization.

804492823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 804492823 is about 28363.5826897802. The cubic root of 804492823 is about 930.0523433752.

The spelling of 804492823 in words is "eight hundred four million, four hundred ninety-two thousand, eight hundred twenty-three".