828423 has 12 divisors (see below), whose sum is σ = 1212120. Its totient is φ = 545136.

The previous prime is 828409. The next prime is 828431. The reversal of 828423 is 324828.

It is not a de Polignac number, because 828423 - 2⁴ = 828407 is a prime.

828423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193 + ... + 1301.

It is an arithmetic number, because the mean of its divisors is an integer number (101010).

2⁸²⁸⁴²³ is an apocalyptic number.

828423 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

828423 is a deficient number, since it is larger than the sum of its proper divisors (383697).

828423 is a wasteful number, since it uses less digits than its factorization.

828423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198 (or 1195 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 828423 is about 910.1774552251. The cubic root of 828423 is about 93.9184066370.

The spelling of 828423 in words is "eight hundred twenty-eight thousand, four hundred twenty-three".