2123013203 has 6 divisors (see below), whose sum is σ = 2240632044. Its totient is φ = 2011275324.

The previous prime is 2123013197. The next prime is 2123013257. The reversal of 2123013203 is 3023103212.

It is not a de Polignac number, because 2123013203 - 2¹⁴ = 2122996819 is a prime.

It is a super-2 number, since 2×2123013203² = 9014370120224638418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123013803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2940101 + ... + 2940822.

It is an arithmetic number, because the mean of its divisors is an integer number (373438674).

Almost surely, 2^2123013203 is an apocalyptic number.

2123013203 is a deficient number, since it is larger than the sum of its proper divisors (117618841).

2123013203 is an equidigital number, since it uses as much as digits as its factorization.

2123013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5880961 (or 5880942 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2123013203 is about 46076.1674078910. The cubic root of 2123013203 is about 1285.2399947409.

Adding to 2123013203 its reverse (3023103212), we get a palindrome (5146116415).

Subtracting 2123013203 from its reverse (3023103212), we obtain a palindrome (900090009).

The spelling of 2123013203 in words is "two billion, one hundred twenty-three million, thirteen thousand, two hundred three".