2311216223 has 2 divisors, whose sum is σ = 2311216224. Its totient is φ = 2311216222.

The previous prime is 2311216217. The next prime is 2311216241. The reversal of 2311216223 is 3226121132.

2311216223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311216223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311216213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155608111 + 1155608112.

It is an arithmetic number, because the mean of its divisors is an integer number (1155608112).

Almost surely, 2^2311216223 is an apocalyptic number.

2311216223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311216223 is an equidigital number, since it uses as much as digits as its factorization.

2311216223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 2311216223 is about 48075.1102234826. The cubic root of 2311216223 is about 1322.1483654360.

Adding to 2311216223 its reverse (3226121132), we get a palindrome (5537337355).

The spelling of 2311216223 in words is "two billion, three hundred eleven million, two hundred sixteen thousand, two hundred twenty-three".