4020403230343 has 2 divisors, whose sum is σ = 4020403230344. Its totient is φ = 4020403230342.

The previous prime is 4020403230331. The next prime is 4020403230367. The reversal of 4020403230343 is 3430323040204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4020403230343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4020403230383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010201615171 + 2010201615172.

It is an arithmetic number, because the mean of its divisors is an integer number (2010201615172).

Almost surely, 2^{4020403230343} is an apocalyptic number.

4020403230343 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020403230343 is an equidigital number, since it uses as much as digits as its factorization.

4020403230343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 4020403230343 its reverse (3430323040204), we get a palindrome (7450726270547).

The spelling of 4020403230343 in words is "four trillion, twenty billion, four hundred three million, two hundred thirty thousand, three hundred forty-three".