830430823 has 4 divisors (see below), whose sum is σ = 830541528. Its totient is φ = 830320120.

The previous prime is 830430817. The next prime is 830430829. The reversal of 830430823 is 328034038.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328034038 = 2 ⋅164017019.

It is an interprime number because it is at equal distance from previous prime (830430817) and next prime (830430829).

It is a cyclic number.

It is not a de Polignac number, because 830430823 - 2⁵ = 830430791 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830430829) 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, 43213 + ... + 59398.

It is an arithmetic number, because the mean of its divisors is an integer number (207635382).

Almost surely, 2^830430823 is an apocalyptic number.

830430823 is a deficient number, since it is larger than the sum of its proper divisors (110705).

830430823 is a wasteful number, since it uses less digits than its factorization.

830430823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110704.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 830430823 is about 28817.1966540814. The cubic root of 830430823 is about 939.9422112504.

The spelling of 830430823 in words is "eight hundred thirty million, four hundred thirty thousand, eight hundred twenty-three".