420404443343 has 2 divisors, whose sum is σ = 420404443344. Its totient is φ = 420404443342.

The previous prime is 420404443313. The next prime is 420404443373. The reversal of 420404443343 is 343344404024.

It is a balanced prime because it is at equal distance from previous prime (420404443313) and next prime (420404443373).

It is a cyclic number.

It is not a de Polignac number, because 420404443343 - 2⁸ = 420404443087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420404443313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210202221671 + 210202221672.

It is an arithmetic number, because the mean of its divisors is an integer number (210202221672).

Almost surely, 2^420404443343 is an apocalyptic number.

420404443343 is a deficient number, since it is larger than the sum of its proper divisors (1).

420404443343 is an equidigital number, since it uses as much as digits as its factorization.

420404443343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 420404443343 its reverse (343344404024), we get a palindrome (763748847367).

The spelling of 420404443343 in words is "four hundred twenty billion, four hundred four million, four hundred forty-three thousand, three hundred forty-three".