2143223233 has 2 divisors, whose sum is σ = 2143223234. Its totient is φ = 2143223232.

The previous prime is 2143223231. The next prime is 2143223263. The reversal of 2143223233 is 3323223412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2064066624 + 79156609 = 45432^2 + 8897^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143223233 - 2¹ = 2143223231 is a prime.

Together with 2143223231, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2143223198 and 2143223207.

It is not a weakly prime, because it can be changed into another prime (2143223231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071611616 + 1071611617.

It is an arithmetic number, because the mean of its divisors is an integer number (1071611617).

Almost surely, 2^2143223233 is an apocalyptic number.

It is an amenable number.

2143223233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143223233 is an equidigital number, since it uses as much as digits as its factorization.

2143223233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 25.

The square root of 2143223233 is about 46294.9590452352. The cubic root of 2143223233 is about 1289.3054035612.

Adding to 2143223233 its reverse (3323223412), we get a palindrome (5466446645).

The spelling of 2143223233 in words is "two billion, one hundred forty-three million, two hundred twenty-three thousand, two hundred thirty-three".