423366512 has 40 divisors (see below), whose sum is σ = 867206400. Its totient is φ = 199668672.

The previous prime is 423366509. The next prime is 423366527. The reversal of 423366512 is 215663324.

It is a super-2 number, since 2×423366512² = 358478406966092288, which contains 22 as substring.

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, 69743 + ... + 75569.

It is an arithmetic number, because the mean of its divisors is an integer number (21680160).

Almost surely, 2^423366512 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 423366512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433603200).

423366512 is an abundant number, since it is smaller than the sum of its proper divisors (443839888).

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

423366512 is a wasteful number, since it uses less digits than its factorization.

423366512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093 (or 6087 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 423366512 is about 20575.8720835837. The cubic root of 423366512 is about 750.8828193951.

The spelling of 423366512 in words is "four hundred twenty-three million, three hundred sixty-six thousand, five hundred twelve".