423443210030020 has 24 divisors (see below), whose sum is σ = 889377648758424. Its totient is φ = 169349301593856.

The previous prime is 423443210030017. The next prime is 423443210030063. The reversal of 423443210030020 is 20030012344324.

It can be written as a sum of positive squares in 4 ways, for example, as 49018929827904 + 374424280202116 = 7001352^2 + 19350046^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1748777049 + ... + 1749019168.

It is an arithmetic number, because the mean of its divisors is an integer number (37057402031601).

Almost surely, 2^{423443210030020} is an apocalyptic number.

It is an amenable number.

423443210030020 is an abundant number, since it is smaller than the sum of its proper divisors (465934438728404).

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

423443210030020 is a wasteful number, since it uses less digits than its factorization.

423443210030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497802279 (or 3497802277 counting only the distinct ones).

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

Adding to 423443210030020 its reverse (20030012344324), we get a palindrome (443473222374344).

The spelling of 423443210030020 in words is "four hundred twenty-three trillion, four hundred forty-three billion, two hundred ten million, thirty thousand, twenty".