836423 has 4 divisors (see below), whose sum is σ = 955920. Its totient is φ = 716928.

The previous prime is 836413. The next prime is 836449. The reversal of 836423 is 324638.

836423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 836423 - 2¹⁰ = 835399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 836392 and 836401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (836413) 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, 59738 + ... + 59751.

It is an arithmetic number, because the mean of its divisors is an integer number (238980).

2⁸³⁶⁴²³ is an apocalyptic number.

836423 is a deficient number, since it is larger than the sum of its proper divisors (119497).

836423 is a wasteful number, since it uses less digits than its factorization.

836423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119496.

The product of its digits is 3456, while the sum is 26.

The square root of 836423 is about 914.5616436304. The cubic root of 836423 is about 94.2197589588.

The spelling of 836423 in words is "eight hundred thirty-six thousand, four hundred twenty-three".