321342565243123 has 4 divisors (see below), whose sum is σ = 321594203901600. Its totient is φ = 321090926584648.

The previous prime is 321342565243067. The next prime is 321342565243169.

321342565243123 is nontrivially palindromic in base 10.

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 321342565243123 - 2³³ = 321333975308531 is a prime.

It is a super-3 number, since 3×321342565243123³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321342565244123) 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, 125819327323 + ... + 125819329876.

It is an arithmetic number, because the mean of its divisors is an integer number (80398550975400).

Almost surely, 2^{321342565243123} is an apocalyptic number.

321342565243123 is a deficient number, since it is larger than the sum of its proper divisors (251638658477).

321342565243123 is a wasteful number, since it uses less digits than its factorization.

321342565243123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251638658476.

The product of its digits is 3110400, while the sum is 46.

The spelling of 321342565243123 in words is "three hundred twenty-one trillion, three hundred forty-two billion, five hundred sixty-five million, two hundred forty-three thousand, one hundred twenty-three".