2112123303323 has 4 divisors (see below), whose sum is σ = 2304134512728. Its totient is φ = 1920112093920.

The previous prime is 2112123303317. The next prime is 2112123303337. The reversal of 2112123303323 is 3233033212112.

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 2112123303323 - 2⁸ = 2112123303067 is a prime.

It is a super-2 number, since 2×2112123303323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112123303292 and 2112123303301.

It is not an unprimeable number, because it can be changed into a prime (2112123303313) 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, 96005604686 + ... + 96005604707.

It is an arithmetic number, because the mean of its divisors is an integer number (576033628182).

Almost surely, 2^{2112123303323} is an apocalyptic number.

2112123303323 is a deficient number, since it is larger than the sum of its proper divisors (192011209405).

2112123303323 is a wasteful number, since it uses less digits than its factorization.

2112123303323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192011209404.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2112123303323 its reverse (3233033212112), we get a palindrome (5345156515435).

The spelling of 2112123303323 in words is "two trillion, one hundred twelve billion, one hundred twenty-three million, three hundred three thousand, three hundred twenty-three".