321440141420223 has 48 divisors (see below), whose sum is σ = 503408114127360. Its totient is φ = 181894067498304.

The previous prime is 321440141420213. The next prime is 321440141420227. The reversal of 321440141420223 is 322024141044123.

It is not a de Polignac number, because 321440141420223 - 2⁹ = 321440141419711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321440141420227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1461253918 + ... + 1461473876.

It is an arithmetic number, because the mean of its divisors is an integer number (10487669044320).

Almost surely, 2^{321440141420223} is an apocalyptic number.

321440141420223 is a deficient number, since it is larger than the sum of its proper divisors (181967972707137).

321440141420223 is a wasteful number, since it uses less digits than its factorization.

321440141420223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316596 (or 316589 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 321440141420223 its reverse (322024141044123), we get a palindrome (643464282464346).

The spelling of 321440141420223 in words is "three hundred twenty-one trillion, four hundred forty billion, one hundred forty-one million, four hundred twenty thousand, two hundred twenty-three".