830723 has 4 divisors (see below), whose sum is σ = 834000. Its totient is φ = 827448.

The previous prime is 830719. The next prime is 830729. The reversal of 830723 is 327038.

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 830723 - 2² = 830719 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 (830729) 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, 1223 + ... + 1776.

It is an arithmetic number, because the mean of its divisors is an integer number (208500).

2⁸³⁰⁷²³ is an apocalyptic number.

830723 is a deficient number, since it is larger than the sum of its proper divisors (3277).

830723 is a wasteful number, since it uses less digits than its factorization.

830723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 830723 is about 911.4400693408. The cubic root of 830723 is about 94.0052434075.

The spelling of 830723 in words is "eight hundred thirty thousand, seven hundred twenty-three".