423003522 has 32 divisors (see below), whose sum is σ = 858097152. Its totient is φ = 139000064.

The previous prime is 423003521. The next prime is 423003551. The reversal of 423003522 is 225300324.

It is not an unprimeable number, because it can be changed into a prime (423003521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131983 + ... + 135149.

It is an arithmetic number, because the mean of its divisors is an integer number (26815536).

Almost surely, 2^423003522 is an apocalyptic number.

423003522 is an abundant number, since it is smaller than the sum of its proper divisors (435093630).

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

423003522 is a wasteful number, since it uses less digits than its factorization.

423003522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 423003522 is about 20567.0494237749. The cubic root of 423003522 is about 750.6681583536.

Adding to 423003522 its reverse (225300324), we get a palindrome (648303846).

The spelling of 423003522 in words is "four hundred twenty-three million, three thousand, five hundred twenty-two".