43241323221 has 6 divisors (see below), whose sum is σ = 62459689110. Its totient is φ = 28827548808.

The previous prime is 43241323129. The next prime is 43241323241. The reversal of 43241323221 is 12232314234.

43241323221 is a `hidden beast` number, since 4 + 3 + 2 + 413 + 23 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40205864196 + 3035459025 = 200514^2 + 55095^2 .

It is not a de Polignac number, because 43241323221 - 2¹¹ = 43241321173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43241323241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2402295726 + ... + 2402295743.

It is an arithmetic number, because the mean of its divisors is an integer number (10409948185).

Almost surely, 2^43241323221 is an apocalyptic number.

It is an amenable number.

43241323221 is a deficient number, since it is larger than the sum of its proper divisors (19218365889).

43241323221 is a wasteful number, since it uses less digits than its factorization.

43241323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804591475 (or 4804591472 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 43241323221 its reverse (12232314234), we get a palindrome (55473637455).

The spelling of 43241323221 in words is "forty-three billion, two hundred forty-one million, three hundred twenty-three thousand, two hundred twenty-one".