853023 has 4 divisors (see below), whose sum is σ = 1137368. Its totient is φ = 568680.

The previous prime is 853007. The next prime is 853031. The reversal of 853023 is 320358.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 853023 - 2⁴ = 853007 is a prime.

It is a D-number.

It is a Duffinian number.

853023 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853033) 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, 142168 + ... + 142173.

It is an arithmetic number, because the mean of its divisors is an integer number (284342).

2⁸⁵³⁰²³ is an apocalyptic number.

853023 is a deficient number, since it is larger than the sum of its proper divisors (284345).

853023 is a wasteful number, since it uses less digits than its factorization.

853023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284344.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 853023 is about 923.5924425849. The cubic root of 853023 is about 94.8389885740.

The spelling of 853023 in words is "eight hundred fifty-three thousand, twenty-three".