32442023021 has 16 divisors (see below), whose sum is σ = 34502305200. Its totient is φ = 30446212608.

The previous prime is 32442022999. The next prime is 32442023059. The reversal of 32442023021 is 12032024423.

It can be written as a sum of positive squares in 8 ways, for example, as 10475522500 + 21966500521 = 102350^2 + 148211^2 .

It is a cyclic number.

It is not a de Polignac number, because 32442023021 - 2¹⁴ = 32442006637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32442023921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093775 + ... + 1123043.

It is an arithmetic number, because the mean of its divisors is an integer number (2156394075).

Almost surely, 2^32442023021 is an apocalyptic number.

It is an amenable number.

32442023021 is a deficient number, since it is larger than the sum of its proper divisors (2060282179).

32442023021 is a wasteful number, since it uses less digits than its factorization.

32442023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30368.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 32442023021 its reverse (12032024423), we get a palindrome (44474047444).

The spelling of 32442023021 in words is "thirty-two billion, four hundred forty-two million, twenty-three thousand, twenty-one".