423483561984 has 384 divisors, whose sum is σ = 1339702640640. Its totient is φ = 116409139200.

The previous prime is 423483561983. The next prime is 423483561989. The reversal of 423483561984 is 489165384324.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423483561983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254649537 + ... + 254651199.

It is an arithmetic number, because the mean of its divisors is an integer number (3488808960).

Almost surely, 2^423483561984 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 423483561984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669851320320).

423483561984 is an abundant number, since it is smaller than the sum of its proper divisors (916219078656).

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

423483561984 is a wasteful number, since it uses less digits than its factorization.

423483561984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 1897 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 57.

The spelling of 423483561984 in words is "four hundred twenty-three billion, four hundred eighty-three million, five hundred sixty-one thousand, nine hundred eighty-four".