423534672408960 has 5376 divisors, whose sum is σ = 1940619231806400. Its totient is φ = 88011663409152.

The previous prime is 423534672408919. The next prime is 423534672408971. The reversal of 423534672408960 is 69804276435324.

It is a happy number.

423534672408960 is a `hidden beast` number, since 4 + 2 + 3 + 53 + 467 + 2 + 40 + 89 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 671 ways as a sum of consecutive naturals, for example, 5801844827484 + ... + 5801844827556.

Almost surely, 2^{423534672408960} is an apocalyptic number.

423534672408960 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 423534672408960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (970309615903200).

423534672408960 is an abundant number, since it is smaller than the sum of its proper divisors (1517084559397440).

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

423534672408960 is an frugal number, since it uses more digits than its factorization.

423534672408960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 63.

The spelling of 423534672408960 in words is "four hundred twenty-three trillion, five hundred thirty-four billion, six hundred seventy-two million, four hundred eight thousand, nine hundred sixty".