321254445223 has 4 divisors (see below), whose sum is σ = 326699435880. Its totient is φ = 315809454568.

The previous prime is 321254445173. The next prime is 321254445229. The reversal of 321254445223 is 322544452123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322544452123 = 29 ⋅11122222487.

It is a cyclic number.

It is not a de Polignac number, because 321254445223 - 2²⁵ = 321220890791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321254445229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2722495240 + ... + 2722495357.

It is an arithmetic number, because the mean of its divisors is an integer number (81674858970).

Almost surely, 2^321254445223 is an apocalyptic number.

321254445223 is a deficient number, since it is larger than the sum of its proper divisors (5444990657).

321254445223 is an equidigital number, since it uses as much as digits as its factorization.

321254445223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5444990656.

The product of its digits is 230400, while the sum is 37.

Adding to 321254445223 its reverse (322544452123), we get a palindrome (643798897346).

The spelling of 321254445223 in words is "three hundred twenty-one billion, two hundred fifty-four million, four hundred forty-five thousand, two hundred twenty-three".