804434923 has 2 divisors, whose sum is σ = 804434924. Its totient is φ = 804434922.

The previous prime is 804434791. The next prime is 804434957. The reversal of 804434923 is 329434408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 804434923 - 2²⁵ = 770880491 is a prime.

It is not a weakly prime, because it can be changed into another prime (804434993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402217461 + 402217462.

It is an arithmetic number, because the mean of its divisors is an integer number (402217462).

Almost surely, 2^804434923 is an apocalyptic number.

804434923 is a deficient number, since it is larger than the sum of its proper divisors (1).

804434923 is an equidigital number, since it uses as much as digits as its factorization.

804434923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 804434923 is about 28362.5619964065. The cubic root of 804434923 is about 930.0300306332.

The spelling of 804434923 in words is "eight hundred four million, four hundred thirty-four thousand, nine hundred twenty-three".