143003240234321 has 2 divisors, whose sum is σ = 143003240234322. Its totient is φ = 143003240234320.

The previous prime is 143003240234263. The next prime is 143003240234377. The reversal of 143003240234321 is 123432042300341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125932386241600 + 17070853992721 = 11221960^2 + 4131689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143003240234321 is a prime.

It is not a weakly prime, because it can be changed into another prime (143003440234321) 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, 71501620117160 + 71501620117161.

It is an arithmetic number, because the mean of its divisors is an integer number (71501620117161).

Almost surely, 2^{143003240234321} is an apocalyptic number.

It is an amenable number.

143003240234321 is a deficient number, since it is larger than the sum of its proper divisors (1).

143003240234321 is an equidigital number, since it uses as much as digits as its factorization.

143003240234321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 143003240234321 its reverse (123432042300341), we get a palindrome (266435282534662).

The spelling of 143003240234321 in words is "one hundred forty-three trillion, three billion, two hundred forty million, two hundred thirty-four thousand, three hundred twenty-one".