835823 has 2 divisors, whose sum is σ = 835824. Its totient is φ = 835822.

The previous prime is 835819. The next prime is 835831. The reversal of 835823 is 328538.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 835823 - 2² = 835819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (835123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417911 + 417912.

It is an arithmetic number, because the mean of its divisors is an integer number (417912).

2⁸³⁵⁸²³ is an apocalyptic number.

835823 is a deficient number, since it is larger than the sum of its proper divisors (1).

835823 is an equidigital number, since it uses as much as digits as its factorization.

835823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 835823 is about 914.2335587802. The cubic root of 835823 is about 94.1972243567.

The spelling of 835823 in words is "eight hundred thirty-five thousand, eight hundred twenty-three".