423539712 has 88 divisors (see below), whose sum is σ = 1254401600. Its totient is φ = 141170688.

The previous prime is 423539681. The next prime is 423539783. The reversal of 423539712 is 217935324.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19989 + ... + 35307.

Almost surely, 2^423539712 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 423539712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627200800).

423539712 is an abundant number, since it is smaller than the sum of its proper divisors (830861888).

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

423539712 is a wasteful number, since it uses less digits than its factorization.

423539712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15348 (or 15324 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 423539712 is about 20580.0804663150. The cubic root of 423539712 is about 750.9852012713.

The spelling of 423539712 in words is "four hundred twenty-three million, five hundred thirty-nine thousand, seven hundred twelve".