32021311323 has 4 divisors (see below), whose sum is σ = 42695081768. Its totient is φ = 21347540880.

The previous prime is 32021311319. The next prime is 32021311349. The reversal of 32021311323 is 32311312023.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 32021311323 - 2² = 32021311319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32021311323.

It is not an unprimeable number, because it can be changed into a prime (32021311823) 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 3 ways as a sum of consecutive naturals, for example, 5336885218 + ... + 5336885223.

It is an arithmetic number, because the mean of its divisors is an integer number (10673770442).

Almost surely, 2^32021311323 is an apocalyptic number.

32021311323 is a deficient number, since it is larger than the sum of its proper divisors (10673770445).

32021311323 is a wasteful number, since it uses less digits than its factorization.

32021311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10673770444.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 32021311323 its reverse (32311312023), we get a palindrome (64332623346).

The spelling of 32021311323 in words is "thirty-two billion, twenty-one million, three hundred eleven thousand, three hundred twenty-three".