2143223393 has 2 divisors, whose sum is σ = 2143223394. Its totient is φ = 2143223392.

The previous prime is 2143223387. The next prime is 2143223399. The reversal of 2143223393 is 3933223412.

It is a balanced prime because it is at equal distance from previous prime (2143223387) and next prime (2143223399).

It can be written as a sum of positive squares in only one way, i.e., 1272206224 + 871017169 = 35668^2 + 29513^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143223393 - 2¹⁰ = 2143222369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143223399) 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, 1071611696 + 1071611697.

It is an arithmetic number, because the mean of its divisors is an integer number (1071611697).

Almost surely, 2^2143223393 is an apocalyptic number.

It is an amenable number.

2143223393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143223393 is an equidigital number, since it uses as much as digits as its factorization.

2143223393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 32.

The square root of 2143223393 is about 46294.9607732850. The cubic root of 2143223393 is about 1289.3054356451.

The spelling of 2143223393 in words is "two billion, one hundred forty-three million, two hundred twenty-three thousand, three hundred ninety-three".