2011230223 has 2 divisors, whose sum is σ = 2011230224. Its totient is φ = 2011230222.

The previous prime is 2011230083. The next prime is 2011230241. The reversal of 2011230223 is 3220321102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011230223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011230197 and 2011230206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011230323) 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 as a sum of consecutive naturals, namely, 1005615111 + 1005615112.

It is an arithmetic number, because the mean of its divisors is an integer number (1005615112).

Almost surely, 2^2011230223 is an apocalyptic number.

2011230223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011230223 is an equidigital number, since it uses as much as digits as its factorization.

2011230223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2011230223 is about 44846.7414981289. The cubic root of 2011230223 is about 1262.2748488211.

Adding to 2011230223 its reverse (3220321102), we get a palindrome (5231551325).

The spelling of 2011230223 in words is "two billion, eleven million, two hundred thirty thousand, two hundred twenty-three".