423385536 has 112 divisors (see below), whose sum is σ = 1293327360. Its totient is φ = 119731200.

The previous prime is 423385499. The next prime is 423385537. The reversal of 423385536 is 635583324.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 423385494 and 423385503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423385537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134185 + ... + 137303.

Almost surely, 2^423385536 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 423385536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646663680).

423385536 is an abundant number, since it is smaller than the sum of its proper divisors (869941824).

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

423385536 is a wasteful number, since it uses less digits than its factorization.

423385536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242 (or 3232 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The square root of 423385536 is about 20576.3343674232. The cubic root of 423385536 is about 750.8940662151.

It can be divided in two parts, 42338 and 5536, that added together give a palindrome (47874).

The spelling of 423385536 in words is "four hundred twenty-three million, three hundred eighty-five thousand, five hundred thirty-six".