423313310020 has 12 divisors (see below), whose sum is σ = 888957951084. Its totient is φ = 169325324000.

The previous prime is 423313309933. The next prime is 423313310023. The reversal of 423313310020 is 20013313324.

It can be written as a sum of positive squares in 2 ways, for example, as 331296941056 + 92016368964 = 575584^2 + 303342^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423313309973 and 423313310000.

It is not an unprimeable number, because it can be changed into a prime (423313310023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10582832731 + ... + 10582832770.

It is an arithmetic number, because the mean of its divisors is an integer number (74079829257).

Almost surely, 2^423313310020 is an apocalyptic number.

It is an amenable number.

423313310020 is an abundant number, since it is smaller than the sum of its proper divisors (465644641064).

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

423313310020 is a wasteful number, since it uses less digits than its factorization.

423313310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21165665510 (or 21165665508 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 423313310020 its reverse (20013313324), we get a palindrome (443326623344).

The spelling of 423313310020 in words is "four hundred twenty-three billion, three hundred thirteen million, three hundred ten thousand, twenty".