423343315203420 has 48 divisors (see below), whose sum is σ = 1185362904368160. Its totient is φ = 112891396263936.

The previous prime is 423343315203197. The next prime is 423343315203451. The reversal of 423343315203420 is 24302513343324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43369516 + ... + 52226444.

It is an arithmetic number, because the mean of its divisors is an integer number (24695060507670).

Almost surely, 2^{423343315203420} is an apocalyptic number.

It is an amenable number.

423343315203420 is an abundant number, since it is smaller than the sum of its proper divisors (762019589164740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423343315203420 is a wasteful number, since it uses less digits than its factorization.

423343315203420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9653574 (or 9653572 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 39.

Adding to 423343315203420 its reverse (24302513343324), we get a palindrome (447645828546744).

The spelling of 423343315203420 in words is "four hundred twenty-three trillion, three hundred forty-three billion, three hundred fifteen million, two hundred three thousand, four hundred twenty".