804562823 has 2 divisors, whose sum is σ = 804562824. Its totient is φ = 804562822.

The previous prime is 804562807. The next prime is 804562849. The reversal of 804562823 is 328265408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 804562823 - 2⁴ = 804562807 is a prime.

It is equal to p_41368718 and since 804562823 and 41368718 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804562223) 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, 402281411 + 402281412.

It is an arithmetic number, because the mean of its divisors is an integer number (402281412).

Almost surely, 2^804562823 is an apocalyptic number.

804562823 is a deficient number, since it is larger than the sum of its proper divisors (1).

804562823 is an equidigital number, since it uses as much as digits as its factorization.

804562823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 804562823 is about 28364.8166396330. The cubic root of 804562823 is about 930.0793176270.

The spelling of 804562823 in words is "eight hundred four million, five hundred sixty-two thousand, eight hundred twenty-three".