2143423327 has 2 divisors, whose sum is σ = 2143423328. Its totient is φ = 2143423326.

The previous prime is 2143423319. The next prime is 2143423333. The reversal of 2143423327 is 7233243412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143423327 - 2³ = 2143423319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143423397) 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, 1071711663 + 1071711664.

It is an arithmetic number, because the mean of its divisors is an integer number (1071711664).

Almost surely, 2^2143423327 is an apocalyptic number.

2143423327 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143423327 is an equidigital number, since it uses as much as digits as its factorization.

2143423327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 31.

The square root of 2143423327 is about 46297.1200724192. The cubic root of 2143423327 is about 1289.3455260340.

Adding to 2143423327 its reverse (7233243412), we get a palindrome (9376666739).

The spelling of 2143423327 in words is "two billion, one hundred forty-three million, four hundred twenty-three thousand, three hundred twenty-seven".