823868632 has 16 divisors (see below), whose sum is σ = 1548140760. Its totient is φ = 411031104.

The previous prime is 823868629. The next prime is 823868641. The reversal of 823868632 is 236868328.

823868632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109018 + ... + 116329.

Almost surely, 2^823868632 is an apocalyptic number.

It is an amenable number.

823868632 is a deficient number, since it is larger than the sum of its proper divisors (724272128).

823868632 is a wasteful number, since it uses less digits than its factorization.

823868632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225810 (or 225806 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 823868632 is about 28703.1118870411. Note that the first 3 decimals coincide. The cubic root of 823868632 is about 937.4598053760.

The spelling of 823868632 in words is "eight hundred twenty-three million, eight hundred sixty-eight thousand, six hundred thirty-two".