2123030011 has 2 divisors, whose sum is σ = 2123030012. Its totient is φ = 2123030010.

The previous prime is 2123030003. The next prime is 2123030029. The reversal of 2123030011 is 1100303212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123030011 - 2³ = 2123030003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123029973 and 2123030000.

It is not a weakly prime, because it can be changed into another prime (2123031011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061515005 + 1061515006.

It is an arithmetic number, because the mean of its divisors is an integer number (1061515006).

Almost surely, 2^2123030011 is an apocalyptic number.

2123030011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123030011 is an equidigital number, since it uses as much as digits as its factorization.

2123030011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2123030011 is about 46076.3498011724. The cubic root of 2123030011 is about 1285.2433865013.

Adding to 2123030011 its reverse (1100303212), we get a palindrome (3223333223).

The spelling of 2123030011 in words is "two billion, one hundred twenty-three million, thirty thousand, eleven".