823320930 has 32 divisors (see below), whose sum is σ = 1978276608. Its totient is φ = 219296000.

The previous prime is 823320923. The next prime is 823320943. The reversal of 823320930 is 39023328.

823320930 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10855 + ... + 42005.

It is an arithmetic number, because the mean of its divisors is an integer number (61821144).

Almost surely, 2^823320930 is an apocalyptic number.

823320930 is an abundant number, since it is smaller than the sum of its proper divisors (1154955678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

823320930 is a wasteful number, since it uses less digits than its factorization.

823320930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32042.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 823320930 is about 28693.5694886502. The cubic root of 823320930 is about 937.2520204568.

The spelling of 823320930 in words is "eight hundred twenty-three million, three hundred twenty thousand, nine hundred thirty".