423563528 has 16 divisors (see below), whose sum is σ = 794589180. Its totient is φ = 211673088.

The previous prime is 423563527. The next prime is 423563533. The reversal of 423563528 is 825365324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 318336964 + 105226564 = 17842^2 + 10258^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423563491 and 423563500.

It is not an unprimeable number, because it can be changed into a prime (423563521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4376 + ... + 29432.

Almost surely, 2^423563528 is an apocalyptic number.

It is an amenable number.

423563528 is a deficient number, since it is larger than the sum of its proper divisors (371025652).

423563528 is a wasteful number, since it uses less digits than its factorization.

423563528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27176 (or 27172 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 423563528 is about 20580.6590759383. The cubic root of 423563528 is about 750.9992771873. Note that the first 3 decimals are identical.

The spelling of 423563528 in words is "four hundred twenty-three million, five hundred sixty-three thousand, five hundred twenty-eight".