863023 has 4 divisors (see below), whose sum is σ = 986320. Its totient is φ = 739728.

The previous prime is 863017. The next prime is 863047. The reversal of 863023 is 320368.

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 863023 - 2⁵ = 862991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 862985 and 863003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863003) 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, 61638 + ... + 61651.

It is an arithmetic number, because the mean of its divisors is an integer number (246580).

2⁸⁶³⁰²³ is an apocalyptic number.

863023 is a deficient number, since it is larger than the sum of its proper divisors (123297).

863023 is a wasteful number, since it uses less digits than its factorization.

863023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123296.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 863023 is about 928.9903121131. The cubic root of 863023 is about 95.2081493271.

The spelling of 863023 in words is "eight hundred sixty-three thousand, twenty-three".