423014520 has 64 divisors (see below), whose sum is σ = 1277183520. Its totient is φ = 112080384.

The previous prime is 423014513. The next prime is 423014591. The reversal of 423014520 is 25410324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7614 + ... + 30066.

Almost surely, 2^423014520 is an apocalyptic number.

423014520 is a gapful number since it is divisible by the number (40) 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 423014520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638591760).

423014520 is an abundant number, since it is smaller than the sum of its proper divisors (854169000).

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

423014520 is a wasteful number, since it uses less digits than its factorization.

423014520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22624 (or 22620 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 423014520 is about 20567.3167914534. The cubic root of 423014520 is about 750.6746640337.

Adding to 423014520 its reverse (25410324), we get a palindrome (448424844).

The spelling of 423014520 in words is "four hundred twenty-three million, fourteen thousand, five hundred twenty".