4230432021321 has 24 divisors (see below), whose sum is σ = 6807967979904. Its totient is φ = 2509347166560.

The previous prime is 4230432021317. The next prime is 4230432021323. The reversal of 4230432021321 is 1231202340324.

4230432021321 is a `hidden beast` number, since 4 + 2 + 304 + 32 + 0 + 2 + 1 + 321 = 666.

It is not a de Polignac number, because 4230432021321 - 2² = 4230432021317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4230432021323) 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, 454587226 + ... + 454596531.

It is an arithmetic number, because the mean of its divisors is an integer number (283665332496).

Almost surely, 2^{4230432021321} is an apocalyptic number.

It is an amenable number.

4230432021321 is a deficient number, since it is larger than the sum of its proper divisors (2577535958583).

4230432021321 is a wasteful number, since it uses less digits than its factorization.

4230432021321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909183821 (or 909183818 counting only the distinct ones).

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

Adding to 4230432021321 its reverse (1231202340324), we get a palindrome (5461634361645).

The spelling of 4230432021321 in words is "four trillion, two hundred thirty billion, four hundred thirty-two million, twenty-one thousand, three hundred twenty-one".