32856665823 has 64 divisors (see below), whose sum is σ = 50296412160. Its totient is φ = 21189168000.

The previous prime is 32856665747. The next prime is 32856665837.

32856665823 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 32856665823 - 2¹² = 32856661727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32856665823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32856665843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66917608 + ... + 66918098.

It is an arithmetic number, because the mean of its divisors is an integer number (785881440).

Almost surely, 2^32856665823 is an apocalyptic number.

32856665823 is a deficient number, since it is larger than the sum of its proper divisors (17439746337).

32856665823 is a wasteful number, since it uses less digits than its factorization.

32856665823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1111 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The spelling of 32856665823 in words is "thirty-two billion, eight hundred fifty-six million, six hundred sixty-five thousand, eight hundred twenty-three".