850023 has 6 divisors (see below), whose sum is σ = 1227824. Its totient is φ = 566676.

The previous prime is 850021. The next prime is 850027. The reversal of 850023 is 320058.

It is not a de Polignac number, because 850023 - 2¹ = 850021 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 849978 and 850005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47215 + ... + 47232.

2⁸⁵⁰⁰²³ is an apocalyptic number.

850023 is a deficient number, since it is larger than the sum of its proper divisors (377801).

850023 is a wasteful number, since it uses less digits than its factorization.

850023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94453 (or 94450 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 850023 is about 921.9669191462. The cubic root of 850023 is about 94.7276781097.

The spelling of 850023 in words is "eight hundred fifty thousand, twenty-three".