423203564 has 24 divisors (see below), whose sum is σ = 846847008. Its totient is φ = 181278720.

The previous prime is 423203563. The next prime is 423203567. The reversal of 423203564 is 465302324.

It is not an unprimeable number, because it can be changed into a prime (423203563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92204 + ... + 96684.

It is an arithmetic number, because the mean of its divisors is an integer number (35285292).

Almost surely, 2^423203564 is an apocalyptic number.

It is an amenable number.

423203564 is an abundant number, since it is smaller than the sum of its proper divisors (423643444).

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

423203564 is a wasteful number, since it uses less digits than its factorization.

423203564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865 (or 7863 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 423203564 is about 20571.9120161447. The cubic root of 423203564 is about 750.7864721789.

Adding to 423203564 its reverse (465302324), we get a palindrome (888505888).

The spelling of 423203564 in words is "four hundred twenty-three million, two hundred three thousand, five hundred sixty-four".