420343120434303 has 64 divisors (see below), whose sum is σ = 685722628800000. Its totient is φ = 252361834018560.

The previous prime is 420343120434233. The next prime is 420343120434313. The reversal of 420343120434303 is 303434021343024.

420343120434303 is a `hidden beast` number, since 4 + 2 + 0 + 3 + 4 + 312 + 0 + 4 + 34 + 303 = 666.

It is not a de Polignac number, because 420343120434303 - 2⁸ = 420343120434047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420343120434313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 149105608 + ... + 151898546.

It is an arithmetic number, because the mean of its divisors is an integer number (10714416075000).

Almost surely, 2^{420343120434303} is an apocalyptic number.

420343120434303 is a deficient number, since it is larger than the sum of its proper divisors (265379508365697).

420343120434303 is a wasteful number, since it uses less digits than its factorization.

420343120434303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797717 (or 2797711 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 420343120434303 its reverse (303434021343024), we get a palindrome (723777141777327).

The spelling of 420343120434303 in words is "four hundred twenty trillion, three hundred forty-three billion, one hundred twenty million, four hundred thirty-four thousand, three hundred three".