423564024 has 128 divisors (see below), whose sum is σ = 1190952000. Its totient is φ = 125379072.

The previous prime is 423563999. The next prime is 423564077. The reversal of 423564024 is 420465324.

It is a junction number, because it is equal to n+sod(n) for n = 423563982 and 423564000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1528974 + ... + 1529250.

Almost surely, 2^423564024 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 423564024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595476000).

423564024 is an abundant number, since it is smaller than the sum of its proper divisors (767387976).

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

423564024 is a wasteful number, since it uses less digits than its factorization.

423564024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 423564024 is about 20580.6711260833. The cubic root of 423564024 is about 750.9995703315. Note that the first 3 decimals are identical.

The spelling of 423564024 in words is "four hundred twenty-three million, five hundred sixty-four thousand, twenty-four".