321441420344243 has 8 divisors (see below), whose sum is σ = 342834043856112. Its totient is φ = 300324830684416.

The previous prime is 321441420344227. The next prime is 321441420344269. The reversal of 321441420344243 is 342443024144123.

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

It is not a de Polignac number, because 321441420344243 - 2⁴ = 321441420344227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321441420344243.

It is not an unprimeable number, because it can be changed into a prime (321441420344273) 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, 69008460605 + ... + 69008465262.

It is an arithmetic number, because the mean of its divisors is an integer number (42854255482014).

Almost surely, 2^{321441420344243} is an apocalyptic number.

321441420344243 is a deficient number, since it is larger than the sum of its proper divisors (21392623511869).

321441420344243 is a wasteful number, since it uses less digits than its factorization.

321441420344243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138016926021.

The product of its (nonzero) digits is 884736, while the sum is 41.

Adding to 321441420344243 its reverse (342443024144123), we get a palindrome (663884444488366).

The spelling of 321441420344243 in words is "three hundred twenty-one trillion, four hundred forty-one billion, four hundred twenty million, three hundred forty-four thousand, two hundred forty-three".