2123303123303 has 16 divisors (see below), whose sum is σ = 2214875238912. Its totient is φ = 2034270924000.

The previous prime is 2123303123287. The next prime is 2123303123311. The reversal of 2123303123303 is 3033213033212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2123303123303 - 2⁴ = 2123303123287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123303123363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2593883 + ... + 3312828.

It is an arithmetic number, because the mean of its divisors is an integer number (138429702432).

Almost surely, 2^{2123303123303} is an apocalyptic number.

2123303123303 is a deficient number, since it is larger than the sum of its proper divisors (91572115609).

2123303123303 is an equidigital number, since it uses as much as digits as its factorization.

2123303123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5906926.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 2123303123303 its reverse (3033213033212), we get a palindrome (5156516156515).

Subtracting 2123303123303 from its reverse (3033213033212), we obtain a palindrome (909909909909).

The spelling of 2123303123303 in words is "two trillion, one hundred twenty-three billion, three hundred three million, one hundred twenty-three thousand, three hundred three".