32043404321 has 4 divisors (see below), whose sum is σ = 32045031492. Its totient is φ = 32041777152.

The previous prime is 32043404317. The next prime is 32043404357. The reversal of 32043404321 is 12340434023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12340434023 = 3167 ⋅3896569.

It can be written as a sum of positive squares in 2 ways, for example, as 17309086096 + 14734318225 = 131564^2 + 121385^2 .

It is a cyclic number.

It is not a de Polignac number, because 32043404321 - 2² = 32043404317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32043404311) 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, 783680 + ... + 823553.

It is an arithmetic number, because the mean of its divisors is an integer number (8011257873).

Almost surely, 2^32043404321 is an apocalyptic number.

It is an amenable number.

32043404321 is a deficient number, since it is larger than the sum of its proper divisors (1627171).

32043404321 is a wasteful number, since it uses less digits than its factorization.

32043404321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627170.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 32043404321 its reverse (12340434023), we get a palindrome (44383838344).

The spelling of 32043404321 in words is "thirty-two billion, forty-three million, four hundred four thousand, three hundred twenty-one".