42304242321 has 24 divisors (see below), whose sum is σ = 66853391904. Its totient is φ = 25565026560.

The previous prime is 42304242319. The next prime is 42304242341. The reversal of 42304242321 is 12324240324.

42304242321 is a `hidden beast` number, since 4 + 2 + 3 + 0 + 424 + 232 + 1 = 666.

It is not a de Polignac number, because 42304242321 - 2¹ = 42304242319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42304242341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 581376 + ... + 650081.

It is an arithmetic number, because the mean of its divisors is an integer number (2785557996).

Almost surely, 2^42304242321 is an apocalyptic number.

It is an amenable number.

42304242321 is a deficient number, since it is larger than the sum of its proper divisors (24549149583).

42304242321 is a wasteful number, since it uses less digits than its factorization.

42304242321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231821 (or 1231818 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42304242321 its reverse (12324240324), we get a palindrome (54628482645).

The spelling of 42304242321 in words is "forty-two billion, three hundred four million, two hundred forty-two thousand, three hundred twenty-one".