423049635936 has 144 divisors (see below), whose sum is σ = 1255895038944. Its totient is φ = 134827241472.

The previous prime is 423049635929. The next prime is 423049635971. The reversal of 423049635936 is 639536940324.

423049635936 is a `hidden beast` number, since 4 + 2 + 3 + 0 + 49 + 6 + 3 + 593 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 23 ways as a sum of consecutive naturals, for example, 16925080 + ... + 16950056.

It is an arithmetic number, because the mean of its divisors is an integer number (8721493326).

Almost surely, 2^423049635936 is an apocalyptic number.

423049635936 is a gapful number since it is divisible by the number (46) 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 423049635936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627947519472).

423049635936 is an abundant number, since it is smaller than the sum of its proper divisors (832845403008).

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

423049635936 is a wasteful number, since it uses less digits than its factorization.

423049635936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27573 (or 27562 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 54.

The spelling of 423049635936 in words is "four hundred twenty-three billion, forty-nine million, six hundred thirty-five thousand, nine hundred thirty-six".