2123213227 has 2 divisors, whose sum is σ = 2123213228. Its totient is φ = 2123213226.

The previous prime is 2123213177. The next prime is 2123213233. The reversal of 2123213227 is 7223123212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123213227 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123213327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061606613 + 1061606614.

It is an arithmetic number, because the mean of its divisors is an integer number (1061606614).

Almost surely, 2^2123213227 is an apocalyptic number.

2123213227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123213227 is an equidigital number, since it uses as much as digits as its factorization.

2123213227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 2123213227 is about 46078.3379366053. The cubic root of 2123213227 is about 1285.2803573053.

Adding to 2123213227 its reverse (7223123212), we get a palindrome (9346336439).

The spelling of 2123213227 in words is "two billion, one hundred twenty-three million, two hundred thirteen thousand, two hundred twenty-seven".