2123123110333 has 4 divisors (see below), whose sum is σ = 2135395498428. Its totient is φ = 2110850722240.

The previous prime is 2123123110331. The next prime is 2123123110337. The reversal of 2123123110333 is 3330113213212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1972165218244 + 150957892089 = 1404338^2 + 388533^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123123110333 - 2¹ = 2123123110331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123123110298 and 2123123110307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123123110331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6136193788 + ... + 6136194133.

It is an arithmetic number, because the mean of its divisors is an integer number (533848874607).

Almost surely, 2^{2123123110333} is an apocalyptic number.

It is an amenable number.

2123123110333 is a deficient number, since it is larger than the sum of its proper divisors (12272388095).

2123123110333 is a wasteful number, since it uses less digits than its factorization.

2123123110333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12272388094.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2123123110333 its reverse (3330113213212), we get a palindrome (5453236323545).

The spelling of 2123123110333 in words is "two trillion, one hundred twenty-three billion, one hundred twenty-three million, one hundred ten thousand, three hundred thirty-three".