823748530 has 32 divisors (see below), whose sum is σ = 1631881728. Its totient is φ = 296889600.

The previous prime is 823748503. The next prime is 823748533. The reversal of 823748530 is 35847328.

823748530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (823748533) 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, 20706 + ... + 45565.

It is an arithmetic number, because the mean of its divisors is an integer number (50996304).

Almost surely, 2^823748530 is an apocalyptic number.

823748530 is a deficient number, since it is larger than the sum of its proper divisors (808133198).

823748530 is a wasteful number, since it uses less digits than its factorization.

823748530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66402.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 823748530 is about 28701.0196682975. The cubic root of 823748530 is about 937.4142494606.

The spelling of 823748530 in words is "eight hundred twenty-three million, seven hundred forty-eight thousand, five hundred thirty".