850723 has 4 divisors (see below), whose sum is σ = 859248. Its totient is φ = 842200.

The previous prime is 850711. The next prime is 850727. The reversal of 850723 is 327058.

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 850723 - 2⁵ = 850691 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 (850727) 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, 4111 + ... + 4312.

It is an arithmetic number, because the mean of its divisors is an integer number (214812).

2⁸⁵⁰⁷²³ is an apocalyptic number.

850723 is a deficient number, since it is larger than the sum of its proper divisors (8525).

850723 is a wasteful number, since it uses less digits than its factorization.

850723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8524.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 850723 is about 922.3464641879. The cubic root of 850723 is about 94.7536739478.

The spelling of 850723 in words is "eight hundred fifty thousand, seven hundred twenty-three".