423341233220020 has 12 divisors (see below), whose sum is σ = 889016589762084. Its totient is φ = 169336493288000.

The previous prime is 423341233220011. The next prime is 423341233220021. The reversal of 423341233220020 is 20022332143324.

It can be written as a sum of positive squares in 2 ways, for example, as 332725836119076 + 90615397100944 = 18240774^2 + 9519212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423341233220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10583530830481 + ... + 10583530830520.

It is an arithmetic number, because the mean of its divisors is an integer number (74084715813507).

Almost surely, 2^{423341233220020} is an apocalyptic number.

It is an amenable number.

423341233220020 is an abundant number, since it is smaller than the sum of its proper divisors (465675356542064).

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

423341233220020 is a wasteful number, since it uses less digits than its factorization.

423341233220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21167061661010 (or 21167061661008 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 423341233220020 its reverse (20022332143324), we get a palindrome (443363565363344).

The spelling of 423341233220020 in words is "four hundred twenty-three trillion, three hundred forty-one billion, two hundred thirty-three million, two hundred twenty thousand, twenty".