321000340223 has 4 divisors (see below), whose sum is σ = 321294028728. Its totient is φ = 320706651720.

The previous prime is 321000340217. The next prime is 321000340261. The reversal of 321000340223 is 322043000123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322043000123 = 13 ⋅24772538471.

It is a cyclic number.

It is not a de Polignac number, because 321000340223 - 2⁶ = 321000340159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321000340195 and 321000340204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321000340273) 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, 146842613 + ... + 146844798.

It is an arithmetic number, because the mean of its divisors is an integer number (80323507182).

Almost surely, 2^321000340223 is an apocalyptic number.

321000340223 is a deficient number, since it is larger than the sum of its proper divisors (293688505).

321000340223 is a wasteful number, since it uses less digits than its factorization.

321000340223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293688504.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 321000340223 its reverse (322043000123), we get a palindrome (643043340346).

The spelling of 321000340223 in words is "three hundred twenty-one billion, three hundred forty thousand, two hundred twenty-three".