30830823 has 12 divisors (see below), whose sum is σ = 44584488. Its totient is φ = 20530320.

The previous prime is 30830801. The next prime is 30830831. The reversal of 30830823 is 32803803.

It is not a de Polignac number, because 30830823 - 2⁵ = 30830791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30837823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10453 + ... + 13073.

It is an arithmetic number, because the mean of its divisors is an integer number (3715374).

Almost surely, 2^30830823 is an apocalyptic number.

30830823 is a deficient number, since it is larger than the sum of its proper divisors (13753665).

30830823 is a wasteful number, since it uses less digits than its factorization.

30830823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934 (or 3931 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 30830823 is about 5552.5510353350. The cubic root of 30830823 is about 313.5655716263.

The spelling of 30830823 in words is "thirty million, eight hundred thirty thousand, eight hundred twenty-three".