321200002123 has 16 divisors (see below), whose sum is σ = 431261542656. Its totient is φ = 231032967840.

The previous prime is 321200002093. The next prime is 321200002139.

321200002123 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 321200002123 - 2⁵ = 321200002091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321200002097 and 321200002106.

It is not an unprimeable number, because it can be changed into a prime (321200002723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160438561 + ... + 160440562.

It is an arithmetic number, because the mean of its divisors is an integer number (26953846416).

Almost surely, 2^321200002123 is an apocalyptic number.

321200002123 is a deficient number, since it is larger than the sum of its proper divisors (110061540533).

321200002123 is a wasteful number, since it uses less digits than its factorization.

321200002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320879154.

The product of its (nonzero) digits is 144, while the sum is 16.

It can be divided in two parts, 32120000 and 2123, that added together give a palindrome (32122123).

The spelling of 321200002123 in words is "three hundred twenty-one billion, two hundred million, two thousand, one hundred twenty-three".