423221321321430 has 16 divisors (see below), whose sum is σ = 1015731171171504. Its totient is φ = 112859019019040.

The previous prime is 423221321321413. The next prime is 423221321321431. The reversal of 423221321321430 is 34123123122324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 423221321321391 and 423221321321400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423221321321431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7053688688661 + ... + 7053688688720.

It is an arithmetic number, because the mean of its divisors is an integer number (63483198198219).

Almost surely, 2^{423221321321430} is an apocalyptic number.

423221321321430 is an abundant number, since it is smaller than the sum of its proper divisors (592509849850074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423221321321430 is a wasteful number, since it uses less digits than its factorization.

423221321321430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14107377377391.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 423221321321430 its reverse (34123123122324), we get a palindrome (457344444443754).

The spelling of 423221321321430 in words is "four hundred twenty-three trillion, two hundred twenty-one billion, three hundred twenty-one million, three hundred twenty-one thousand, four hundred thirty".