423730512 has 120 divisors (see below), whose sum is σ = 1237126176. Its totient is φ = 135260928.

The previous prime is 423730487. The next prime is 423730543. The reversal of 423730512 is 215037324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356383 + ... + 357569.

Almost surely, 2^423730512 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 423730512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618563088).

423730512 is an abundant number, since it is smaller than the sum of its proper divisors (813395664).

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

423730512 is a wasteful number, since it uses less digits than its factorization.

423730512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 423730512 is about 20584.7154947548. The cubic root of 423730512 is about 751.0979545434.

Adding to 423730512 its reverse (215037324), we get a palindrome (638767836).

The spelling of 423730512 in words is "four hundred twenty-three million, seven hundred thirty thousand, five hundred twelve".