2123031203303 has 16 divisors (see below), whose sum is σ = 2165444076960. Its totient is φ = 2080841957376.

The previous prime is 2123031203273. The next prime is 2123031203347. The reversal of 2123031203303 is 3033021303212.

It is a cyclic number.

It is not a de Polignac number, because 2123031203303 - 2¹⁴ = 2123031186919 is a prime.

It is a super-2 number, since 2×2123031203303² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123031203203) 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, 26842151 + ... + 26921127.

It is an arithmetic number, because the mean of its divisors is an integer number (135340254810).

Almost surely, 2^{2123031203303} is an apocalyptic number.

2123031203303 is a deficient number, since it is larger than the sum of its proper divisors (42412873657).

2123031203303 is an equidigital number, since it uses as much as digits as its factorization.

2123031203303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80386.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 2123031203303 its reverse (3033021303212), we get a palindrome (5156052506515).

Subtracting 2123031203303 from its reverse (3033021303212), we obtain a palindrome (909990099909).

The spelling of 2123031203303 in words is "two trillion, one hundred twenty-three billion, thirty-one million, two hundred three thousand, three hundred three".