321113112123 has 4 divisors (see below), whose sum is σ = 428150816168. Its totient is φ = 214075408080.

The previous prime is 321113112101. The next prime is 321113112227. The reversal of 321113112123 is 321211311123.

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

It is not a de Polignac number, because 321113112123 - 2⁸ = 321113111867 is a prime.

It is a super-3 number, since 3×321113112123³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321113112123.

It is not an unprimeable number, because it can be changed into a prime (321113112323) 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, 53518852018 + ... + 53518852023.

It is an arithmetic number, because the mean of its divisors is an integer number (107037704042).

Almost surely, 2^321113112123 is an apocalyptic number.

321113112123 is a deficient number, since it is larger than the sum of its proper divisors (107037704045).

321113112123 is a wasteful number, since it uses less digits than its factorization.

321113112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107037704044.

The product of its digits is 216, while the sum is 21.

Adding to 321113112123 its reverse (321211311123), we get a palindrome (642324423246).

The spelling of 321113112123 in words is "three hundred twenty-one billion, one hundred thirteen million, one hundred twelve thousand, one hundred twenty-three".