2112320320123 has 8 divisors (see below), whose sum is σ = 2275353516800. Its totient is φ = 1949365268928.

The previous prime is 2112320320079. The next prime is 2112320320157. The reversal of 2112320320123 is 3210230232112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112320320123 - 2²⁹ = 2111783449211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2112320320094 and 2112320320103.

It is not an unprimeable number, because it can be changed into a prime (2112320320163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19480218 + ... + 19588351.

It is an arithmetic number, because the mean of its divisors is an integer number (284419189600).

Almost surely, 2^{2112320320123} is an apocalyptic number.

2112320320123 is a deficient number, since it is larger than the sum of its proper divisors (163033196677).

2112320320123 is a wasteful number, since it uses less digits than its factorization.

2112320320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39072741.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2112320320123 its reverse (3210230232112), we get a palindrome (5322550552235).

The spelling of 2112320320123 in words is "two trillion, one hundred twelve billion, three hundred twenty million, three hundred twenty thousand, one hundred twenty-three".