2123131203 has 8 divisors (see below), whose sum is σ = 3145379600. Its totient is φ = 1415420784.

The previous prime is 2123131181. The next prime is 2123131211. The reversal of 2123131203 is 3021313212.

2123131203 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2123131203 - 2¹⁰ = 2123130179 is a prime.

It is a super-2 number, since 2×2123131203² = 9015372210304454418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123131243) 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, 39317218 + ... + 39317271.

It is an arithmetic number, because the mean of its divisors is an integer number (393172450).

Almost surely, 2^2123131203 is an apocalyptic number.

2123131203 is a deficient number, since it is larger than the sum of its proper divisors (1022248397).

2123131203 is an equidigital number, since it uses as much as digits as its factorization.

2123131203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78634498 (or 78634492 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2123131203 is about 46077.4478785447. The cubic root of 2123131203 is about 1285.2638061032.

Adding to 2123131203 its reverse (3021313212), we get a palindrome (5144444415).

The spelling of 2123131203 in words is "two billion, one hundred twenty-three million, one hundred thirty-one thousand, two hundred three".