32320320443 has 4 divisors (see below), whose sum is σ = 34021389960. Its totient is φ = 30619250928.

The previous prime is 32320320413. The next prime is 32320320479. The reversal of 32320320443 is 34402302323.

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

It is a cyclic number.

It is not a de Polignac number, because 32320320443 - 2¹⁶ = 32320254907 is a prime.

It is a super-2 number, since 2×32320320443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32320320413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850534730 + ... + 850534767.

It is an arithmetic number, because the mean of its divisors is an integer number (8505347490).

Almost surely, 2^32320320443 is an apocalyptic number.

32320320443 is a deficient number, since it is larger than the sum of its proper divisors (1701069517).

32320320443 is a wasteful number, since it uses less digits than its factorization.

32320320443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701069516.

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 32320320443 its reverse (34402302323), we get a palindrome (66722622766).

The spelling of 32320320443 in words is "thirty-two billion, three hundred twenty million, three hundred twenty thousand, four hundred forty-three".