2203131123 has 8 divisors (see below), whose sum is σ = 3263898000. Its totient is φ = 1468754064.

The previous prime is 2203131109. The next prime is 2203131127. The reversal of 2203131123 is 3211313022.

It is not a de Polignac number, because 2203131123 - 2¹⁰ = 2203130099 is a prime.

It is a super-2 number, since 2×2203131123² = 9707573490262482258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2203131096 and 2203131105.

It is not an unprimeable number, because it can be changed into a prime (2203131127) 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, 40798698 + ... + 40798751.

It is an arithmetic number, because the mean of its divisors is an integer number (407987250).

Almost surely, 2^2203131123 is an apocalyptic number.

2203131123 is a deficient number, since it is larger than the sum of its proper divisors (1060766877).

2203131123 is an equidigital number, since it uses as much as digits as its factorization.

2203131123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81597458 (or 81597452 counting only the distinct ones).

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

The square root of 2203131123 is about 46937.5236138423. The cubic root of 2203131123 is about 1301.2081713003.

Adding to 2203131123 its reverse (3211313022), we get a palindrome (5414444145).

The spelling of 2203131123 in words is "two billion, two hundred three million, one hundred thirty-one thousand, one hundred twenty-three".