423488578032 has 240 divisors, whose sum is σ = 1386866790400. Its totient is φ = 119463621120.

The previous prime is 423488577997. The next prime is 423488578057. The reversal of 423488578032 is 230875884324.

423488578032 is a `hidden beast` number, since 4 + 2 + 3 + 488 + 57 + 80 + 32 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 423488578032.

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 47 ways as a sum of consecutive naturals, for example, 910569 + ... + 1294647.

Almost surely, 2^423488578032 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 423488578032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693433395200).

423488578032 is an abundant number, since it is smaller than the sum of its proper divisors (963378212368).

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

423488578032 is a wasteful number, since it uses less digits than its factorization.

423488578032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384156 (or 384147 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 54.

The spelling of 423488578032 in words is "four hundred twenty-three billion, four hundred eighty-eight million, five hundred seventy-eight thousand, thirty-two".