32812021823 has 32 divisors (see below), whose sum is σ = 40611863040. Its totient is φ = 25886615040.

The previous prime is 32812021799. The next prime is 32812021843.

32812021823 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 32812021823 - 2²⁸ = 32543586367 is a prime.

It is a super-2 number, since 2×32812021823² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32812021823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32812021843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 625283 + ... + 675723.

It is an arithmetic number, because the mean of its divisors is an integer number (1269120720).

Almost surely, 2^32812021823 is an apocalyptic number.

32812021823 is a deficient number, since it is larger than the sum of its proper divisors (7799841217).

32812021823 is a wasteful number, since it uses less digits than its factorization.

32812021823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50607.

The product of its (nonzero) digits is 9216, while the sum is 32.

It can be divided in two parts, 328120 and 21823, that added together give a palindrome (349943).

The spelling of 32812021823 in words is "thirty-two billion, eight hundred twelve million, twenty-one thousand, eight hundred twenty-three".