808523 has 2 divisors, whose sum is σ = 808524. Its totient is φ = 808522.

The previous prime is 808517. The next prime is 808553. The reversal of 808523 is 325808.

808523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 808523 - 2⁶ = 808459 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 808492 and 808501.

It is not a weakly prime, because it can be changed into another prime (808553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404261 + 404262.

It is an arithmetic number, because the mean of its divisors is an integer number (404262).

2⁸⁰⁸⁵²³ is an apocalyptic number.

808523 is a deficient number, since it is larger than the sum of its proper divisors (1).

808523 is an equidigital number, since it uses as much as digits as its factorization.

808523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 808523 is about 899.1790700411. The cubic root of 808523 is about 93.1602816631.

It can be divided in two parts, 80852 and 3, that multiplied together give a triangular number (242556 = T₆₉₆).

The spelling of 808523 in words is "eight hundred eight thousand, five hundred twenty-three".