823352730 has 32 divisors (see below), whose sum is σ = 1976958144. Its totient is φ = 219459456.

The previous prime is 823352723. The next prime is 823352731. The reversal of 823352730 is 37253328.

823352730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 823352691 and 823352700.

It is not an unprimeable number, because it can be changed into a prime (823352731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78369 + ... + 88251.

It is an arithmetic number, because the mean of its divisors is an integer number (61779942).

Almost surely, 2^823352730 is an apocalyptic number.

823352730 is an abundant number, since it is smaller than the sum of its proper divisors (1153605414).

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

823352730 is a wasteful number, since it uses less digits than its factorization.

823352730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12670.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 823352730 is about 28694.1236144267. The cubic root of 823352730 is about 937.2640871287.

The spelling of 823352730 in words is "eight hundred twenty-three million, three hundred fifty-two thousand, seven hundred thirty".