423100573440 has 288 divisors, whose sum is σ = 1378375488000. Its totient is φ = 110576025600.

The previous prime is 423100573397. The next prime is 423100573447. The reversal of 423100573440 is 44375001324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423100573447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79066765 + ... + 79072115.

It is an arithmetic number, because the mean of its divisors is an integer number (4786026000).

Almost surely, 2^423100573440 is an apocalyptic number.

423100573440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423100573440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689187744000).

423100573440 is an abundant number, since it is smaller than the sum of its proper divisors (955274914560).

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

423100573440 is a wasteful number, since it uses less digits than its factorization.

423100573440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783 (or 5769 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

Adding to 423100573440 its reverse (44375001324), we get a palindrome (467475574764).

The spelling of 423100573440 in words is "four hundred twenty-three billion, one hundred million, five hundred seventy-three thousand, four hundred forty".