846823 has 2 divisors, whose sum is σ = 846824. Its totient is φ = 846822.

The previous prime is 846779. The next prime is 846841. The reversal of 846823 is 328648.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 846823 - 2¹³ = 838631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (846323) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423411 + 423412.

It is an arithmetic number, because the mean of its divisors is an integer number (423412).

2⁸⁴⁶⁸²³ is an apocalyptic number.

846823 is a deficient number, since it is larger than the sum of its proper divisors (1).

846823 is an equidigital number, since it uses as much as digits as its factorization.

846823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 31.

The square root of 846823 is about 920.2298625887. The cubic root of 846823 is about 94.6086578973.

The spelling of 846823 in words is "eight hundred forty-six thousand, eight hundred twenty-three".