321023142020441 has 4 divisors (see below), whose sum is σ = 366883590880512. Its totient is φ = 275162693160372.

The previous prime is 321023142020389. The next prime is 321023142020443. The reversal of 321023142020441 is 144020241320123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321023142020441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321023142020443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22930224430025 + ... + 22930224430038.

It is an arithmetic number, because the mean of its divisors is an integer number (91720897720128).

Almost surely, 2^{321023142020441} is an apocalyptic number.

It is an amenable number.

321023142020441 is a deficient number, since it is larger than the sum of its proper divisors (45860448860071).

321023142020441 is an equidigital number, since it uses as much as digits as its factorization.

321023142020441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45860448860070.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 321023142020441 its reverse (144020241320123), we get a palindrome (465043383340564).

The spelling of 321023142020441 in words is "three hundred twenty-one trillion, twenty-three billion, one hundred forty-two million, twenty thousand, four hundred forty-one".