858323 has 4 divisors (see below), whose sum is σ = 878328. Its totient is φ = 838320.

The previous prime is 858317. The next prime is 858373. The reversal of 858323 is 323858.

858323 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 858323 - 2⁴ = 858307 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (858373) 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, 9938 + ... + 10023.

It is an arithmetic number, because the mean of its divisors is an integer number (219582).

2⁸⁵⁸³²³ is an apocalyptic number.

858323 is a deficient number, since it is larger than the sum of its proper divisors (20005).

858323 is a wasteful number, since it uses less digits than its factorization.

858323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20004.

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

The square root of 858323 is about 926.4572305293. The cubic root of 858323 is about 95.0350009534.

It can be divided in two parts, 85 and 8323, that multiplied together give a triangular number (707455 = T₁₁₈₉).

The spelling of 858323 in words is "eight hundred fifty-eight thousand, three hundred twenty-three".