32023012321 has 4 divisors (see below), whose sum is σ = 32804061444. Its totient is φ = 31241963200.

The previous prime is 32023012313. The next prime is 32023012327. The reversal of 32023012321 is 12321032023.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13668181921 + 18354830400 = 116911^2 + 135480^2 .

It is a cyclic number.

It is not a de Polignac number, because 32023012321 - 2³ = 32023012313 is a prime.

It is a super-2 number, since 2×32023012321² (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 (32023012327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390524500 + ... + 390524581.

It is an arithmetic number, because the mean of its divisors is an integer number (8201015361).

Almost surely, 2^32023012321 is an apocalyptic number.

It is an amenable number.

32023012321 is a deficient number, since it is larger than the sum of its proper divisors (781049123).

32023012321 is an equidigital number, since it uses as much as digits as its factorization.

32023012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781049122.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 32023012321 its reverse (12321032023), we get a palindrome (44344044344).

The spelling of 32023012321 in words is "thirty-two billion, twenty-three million, twelve thousand, three hundred twenty-one".