808300505823 has 4 divisors (see below), whose sum is σ = 1077734007768. Its totient is φ = 538867003880.

The previous prime is 808300505801. The next prime is 808300505921. The reversal of 808300505823 is 328505003808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 808300505823 - 2¹² = 808300501727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808300505123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134716750968 + ... + 134716750973.

It is an arithmetic number, because the mean of its divisors is an integer number (269433501942).

Almost surely, 2^808300505823 is an apocalyptic number.

808300505823 is a deficient number, since it is larger than the sum of its proper divisors (269433501945).

808300505823 is a wasteful number, since it uses less digits than its factorization.

808300505823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269433501944.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 808300505823 in words is "eight hundred eight billion, three hundred million, five hundred five thousand, eight hundred twenty-three".