423034133220 has 240 divisors, whose sum is σ = 1404742046400. Its totient is φ = 106273347840.

The previous prime is 423034133183. The next prime is 423034133273. The reversal of 423034133220 is 22331430324.

423034133220 is a `hidden beast` number, since 4 + 2 + 303 + 4 + 1 + 332 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5471230 + ... + 5548010.

It is an arithmetic number, because the mean of its divisors is an integer number (5853091860).

Almost surely, 2^423034133220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423034133220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702371023200).

423034133220 is an abundant number, since it is smaller than the sum of its proper divisors (981707913180).

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

423034133220 is a wasteful number, since it uses less digits than its factorization.

423034133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77000 (or 76989 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 423034133220 its reverse (22331430324), we get a palindrome (445365563544).

The spelling of 423034133220 in words is "four hundred twenty-three billion, thirty-four million, one hundred thirty-three thousand, two hundred twenty".