423541604 has 12 divisors (see below), whose sum is σ = 784797804. Its totient is φ = 199313664.

The previous prime is 423541579. The next prime is 423541609. The reversal of 423541604 is 406145324.

It can be written as a sum of positive squares in 2 ways, for example, as 273968704 + 149572900 = 16552^2 + 12230^2 .

It is not an unprimeable number, because it can be changed into a prime (423541609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3114209 + ... + 3114344.

It is an arithmetic number, because the mean of its divisors is an integer number (65399817).

Almost surely, 2^423541604 is an apocalyptic number.

It is an amenable number.

423541604 is a deficient number, since it is larger than the sum of its proper divisors (361256200).

423541604 is a wasteful number, since it uses less digits than its factorization.

423541604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6228574 (or 6228572 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 423541604 is about 20580.1264330421. The cubic root of 423541604 is about 750.9863195150.

Adding to 423541604 its reverse (406145324), we get a palindrome (829686928).

The spelling of 423541604 in words is "four hundred twenty-three million, five hundred forty-one thousand, six hundred four".