321003323131223 has 4 divisors (see below), whose sum is σ = 321003398177448. Its totient is φ = 321003248085000.

The previous prime is 321003323131157. The next prime is 321003323131321. The reversal of 321003323131223 is 322131323300123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321003323131223 - 2²² = 321003318936919 is a prime.

It is a super-2 number, since 2×321003323131223² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321003323131723) 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 3 ways as a sum of consecutive naturals, for example, 30692528 + ... + 39799973.

It is an arithmetic number, because the mean of its divisors is an integer number (80250849544362).

Almost surely, 2^{321003323131223} is an apocalyptic number.

321003323131223 is a deficient number, since it is larger than the sum of its proper divisors (75046225).

321003323131223 is an equidigital number, since it uses as much as digits as its factorization.

321003323131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75046224.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 321003323131223 its reverse (322131323300123), we get a palindrome (643134646431346).

The spelling of 321003323131223 in words is "three hundred twenty-one trillion, three billion, three hundred twenty-three million, one hundred thirty-one thousand, two hundred twenty-three".