143423213221243 has 2 divisors, whose sum is σ = 143423213221244. Its totient is φ = 143423213221242.

The previous prime is 143423213221207. The next prime is 143423213221247. The reversal of 143423213221243 is 342122312324341.

143423213221243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143423213221243 - 2⁹ = 143423213220731 is a prime.

It is a super-2 number, since 2×143423213221243² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143423213221247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71711606610621 + 71711606610622.

It is an arithmetic number, because the mean of its divisors is an integer number (71711606610622).

Almost surely, 2^{143423213221243} is an apocalyptic number.

143423213221243 is a deficient number, since it is larger than the sum of its proper divisors (1).

143423213221243 is an equidigital number, since it uses as much as digits as its factorization.

143423213221243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 37.

Adding to 143423213221243 its reverse (342122312324341), we get a palindrome (485545525545584).

The spelling of 143423213221243 in words is "one hundred forty-three trillion, four hundred twenty-three billion, two hundred thirteen million, two hundred twenty-one thousand, two hundred forty-three".