20143302034243 has 2 divisors, whose sum is σ = 20143302034244. Its totient is φ = 20143302034242.

The previous prime is 20143302034223. The next prime is 20143302034267. The reversal of 20143302034243 is 34243020334102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20143302034243 - 2⁵ = 20143302034211 is a prime.

It is not a weakly prime, because it can be changed into another prime (20143302034223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10071651017121 + 10071651017122.

It is an arithmetic number, because the mean of its divisors is an integer number (10071651017122).

Almost surely, 2^{20143302034243} is an apocalyptic number.

20143302034243 is a deficient number, since it is larger than the sum of its proper divisors (1).

20143302034243 is an equidigital number, since it uses as much as digits as its factorization.

20143302034243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 20143302034243 its reverse (34243020334102), we get a palindrome (54386322368345).

The spelling of 20143302034243 in words is "twenty trillion, one hundred forty-three billion, three hundred two million, thirty-four thousand, two hundred forty-three".