321144123002223 has 4 divisors (see below), whose sum is σ = 428192164002968. Its totient is φ = 214096082001480.

The previous prime is 321144123002177. The next prime is 321144123002243. The reversal of 321144123002223 is 322200321441123.

It is a happy number.

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

It is not a de Polignac number, because 321144123002223 - 2³³ = 321135533067631 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 (321144123002243) 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, 53524020500368 + ... + 53524020500373.

It is an arithmetic number, because the mean of its divisors is an integer number (107048041000742).

Almost surely, 2^{321144123002223} is an apocalyptic number.

321144123002223 is a deficient number, since it is larger than the sum of its proper divisors (107048041000745).

321144123002223 is a wasteful number, since it uses less digits than its factorization.

321144123002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107048041000744.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 321144123002223 its reverse (322200321441123), we get a palindrome (643344444443346).

The spelling of 321144123002223 in words is "three hundred twenty-one trillion, one hundred forty-four billion, one hundred twenty-three million, two thousand, two hundred twenty-three".