423963418032 has 960 divisors, whose sum is σ = 1622296166400. Its totient is φ = 103960765440.

The previous prime is 423963418031. The next prime is 423963418049. The reversal of 423963418032 is 230814369324.

423963418032 is a `hidden beast` number, since 4 + 2 + 3 + 9 + 634 + 1 + 8 + 0 + 3 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (423963418031) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 408048969 + ... + 408050007.

It is an arithmetic number, because the mean of its divisors is an integer number (1689891840).

Almost surely, 2^423963418032 is an apocalyptic number.

423963418032 is a gapful number since it is divisible by the number (42) 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 423963418032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811148083200).

423963418032 is an abundant number, since it is smaller than the sum of its proper divisors (1198332748368).

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

423963418032 is a wasteful number, since it uses less digits than its factorization.

423963418032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 423963418032 in words is "four hundred twenty-three billion, nine hundred sixty-three million, four hundred eighteen thousand, thirty-two".