830123 has 4 divisors (see below), whose sum is σ = 948720. Its totient is φ = 711528.

The previous prime is 830117. The next prime is 830131. The reversal of 830123 is 321038.

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 830123 - 2⁸ = 829867 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 830123.

It is not an unprimeable number, because it can be changed into a prime (830143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59288 + ... + 59301.

It is an arithmetic number, because the mean of its divisors is an integer number (237180).

2⁸³⁰¹²³ is an apocalyptic number.

830123 is a deficient number, since it is larger than the sum of its proper divisors (118597).

830123 is a wasteful number, since it uses less digits than its factorization.

830123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118596.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 830123 is about 911.1108604336. The cubic root of 830123 is about 93.9826058052.

The spelling of 830123 in words is "eight hundred thirty thousand, one hundred twenty-three".