823033670432 has 12 divisors (see below), whose sum is σ = 1620347538726. Its totient is φ = 411516835200.

The previous prime is 823033670369. The next prime is 823033670447. The reversal of 823033670432 is 234076330328.

It can be written as a sum of positive squares in only one way, i.e., 764568364816 + 58465305616 = 874396^2 + 241796^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 823033670432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12859901069 + ... + 12859901132.

Almost surely, 2^823033670432 is an apocalyptic number.

It is an amenable number.

823033670432 is a deficient number, since it is larger than the sum of its proper divisors (797313868294).

823033670432 is a wasteful number, since it uses less digits than its factorization.

823033670432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25719802211 (or 25719802203 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 823033670432 in words is "eight hundred twenty-three billion, thirty-three million, six hundred seventy thousand, four hundred thirty-two".