423100200420 has 72 divisors (see below), whose sum is σ = 1289486540160. Its totient is φ = 112291986240.

The previous prime is 423100200371. The next prime is 423100200421. The reversal of 423100200420 is 24002001324.

423100200420 is a `hidden beast` number, since 42 + 3 + 1 + 0 + 0 + 200 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 423100200393 and 423100200402.

It is not an unprimeable number, because it can be changed into a prime (423100200421) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5532060 + ... + 5608019.

It is an arithmetic number, because the mean of its divisors is an integer number (17909535280).

Almost surely, 2^423100200420 is an apocalyptic number.

It is an amenable number.

423100200420 is an abundant number, since it is smaller than the sum of its proper divisors (866386339740).

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

423100200420 is a wasteful number, since it uses less digits than its factorization.

423100200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11140305 (or 11140300 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 423100200420 its reverse (24002001324), we get a palindrome (447102201744).

The spelling of 423100200420 in words is "four hundred twenty-three billion, one hundred million, two hundred thousand, four hundred twenty".