823448530 has 16 divisors (see below), whose sum is σ = 1546651584. Its totient is φ = 315058480.

The previous prime is 823448473. The next prime is 823448531. The reversal of 823448530 is 35844328.

It is a self number, because there is not a number n which added to its sum of digits gives 823448530.

It is not an unprimeable number, because it can be changed into a prime (823448531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789876 + ... + 1790335.

It is an arithmetic number, because the mean of its divisors is an integer number (96665724).

Almost surely, 2^823448530 is an apocalyptic number.

823448530 is a deficient number, since it is larger than the sum of its proper divisors (723203054).

823448530 is a wasteful number, since it uses less digits than its factorization.

823448530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580241.

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 823448530 is about 28695.7928972175. The cubic root of 823448530 is about 937.3004370485.

The spelling of 823448530 in words is "eight hundred twenty-three million, four hundred forty-eight thousand, five hundred thirty".