423945487032 has 128 divisors (see below), whose sum is σ = 1127818598400. Its totient is φ = 132563520000.

The previous prime is 423945487027. The next prime is 423945487103. The reversal of 423945487032 is 230784549324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7376407 + ... + 7433657.

It is an arithmetic number, because the mean of its divisors is an integer number (8811082800).

Almost surely, 2^423945487032 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 423945487032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563909299200).

423945487032 is an abundant number, since it is smaller than the sum of its proper divisors (703873111368).

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

423945487032 is a wasteful number, since it uses less digits than its factorization.

423945487032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57597 (or 57593 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 423945487032 in words is "four hundred twenty-three billion, nine hundred forty-five million, four hundred eighty-seven thousand, thirty-two".