4321423200021 has 8 divisors (see below), whose sum is σ = 5761913662464. Its totient is φ = 2880940768800.

The previous prime is 4321423200011. The next prime is 4321423200067. The reversal of 4321423200021 is 1200023241234.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4321423200021 - 2¹³ = 4321423191829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4321423199964 and 4321423200000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321423200011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614080 + ... + 3003321.

It is an arithmetic number, because the mean of its divisors is an integer number (720239207808).

Almost surely, 2^{4321423200021} is an apocalyptic number.

It is an amenable number.

4321423200021 is a deficient number, since it is larger than the sum of its proper divisors (1440490462443).

4321423200021 is a wasteful number, since it uses less digits than its factorization.

4321423200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015611.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 4321423200021 its reverse (1200023241234), we get a palindrome (5521446441255).

The spelling of 4321423200021 in words is "four trillion, three hundred twenty-one billion, four hundred twenty-three million, two hundred thousand, twenty-one".