2123203130 has 16 divisors (see below), whose sum is σ = 3843119520. Its totient is φ = 844535952.

The previous prime is 2123203109. The next prime is 2123203139. The reversal of 2123203130 is 313023212.

It is a junction number, because it is equal to n+sod(n) for n = 2123203099 and 2123203108.

It is not an unprimeable number, because it can be changed into a prime (2123203139) 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, 591284 + ... + 594863.

It is an arithmetic number, because the mean of its divisors is an integer number (240194970).

Almost surely, 2^2123203130 is an apocalyptic number.

2123203130 is a deficient number, since it is larger than the sum of its proper divisors (1719916390).

2123203130 is a wasteful number, since it uses less digits than its factorization.

2123203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186333.

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

The square root of 2123203130 is about 46078.2283730614. The cubic root of 2123203130 is about 1285.2783199064.

Adding to 2123203130 its reverse (313023212), we get a palindrome (2436226342).

The spelling of 2123203130 in words is "two billion, one hundred twenty-three million, two hundred three thousand, one hundred thirty".