423243341020 has 24 divisors (see below), whose sum is σ = 889284622464. Its totient is φ = 169207125696.

The previous prime is 423243340999. The next prime is 423243341107. The reversal of 423243341020 is 20143342324.

It is a self number, because there is not a number n which added to its sum of digits gives 423243341020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5599692 + ... + 5674771.

It is an arithmetic number, because the mean of its divisors is an integer number (37053525936).

Almost surely, 2^423243341020 is an apocalyptic number.

It is an amenable number.

423243341020 is an abundant number, since it is smaller than the sum of its proper divisors (466041281444).

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

423243341020 is a wasteful number, since it uses less digits than its factorization.

423243341020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11276349 (or 11276347 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 423243341020 its reverse (20143342324), we get a palindrome (443386683344).

The spelling of 423243341020 in words is "four hundred twenty-three billion, two hundred forty-three million, three hundred forty-one thousand, twenty".