321243242342123 has 16 divisors (see below), whose sum is σ = 328367185558560. Its totient is φ = 314197787667456.

The previous prime is 321243242342069. The next prime is 321243242342129.

321243242342123 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321243242342123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321243242342129) 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 15 ways as a sum of consecutive naturals, for example, 7488458 + ... + 26430351.

It is an arithmetic number, because the mean of its divisors is an integer number (20522949097410).

Almost surely, 2^{321243242342123} is an apocalyptic number.

321243242342123 is a deficient number, since it is larger than the sum of its proper divisors (7123943216437).

321243242342123 is a wasteful number, since it uses less digits than its factorization.

321243242342123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33919966.

The product of its digits is 331776, while the sum is 38.

The spelling of 321243242342123 in words is "three hundred twenty-one trillion, two hundred forty-three billion, two hundred forty-two million, three hundred forty-two thousand, one hundred twenty-three".