423126530 has 32 divisors (see below), whose sum is σ = 797428800. Its totient is φ = 161436352.

The previous prime is 423126491. The next prime is 423126563. The reversal of 423126530 is 35621324.

It is a self number, because there is not a number n which added to its sum of digits gives 423126530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15281 + ... + 32859.

It is an arithmetic number, because the mean of its divisors is an integer number (24919650).

Almost surely, 2^423126530 is an apocalyptic number.

423126530 is a deficient number, since it is larger than the sum of its proper divisors (374302270).

423126530 is a wasteful number, since it uses less digits than its factorization.

423126530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17698.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 423126530 is about 20570.0396207688. The cubic root of 423126530 is about 750.7409152259.

Adding to 423126530 its reverse (35621324), we get a palindrome (458747854).

The spelling of 423126530 in words is "four hundred twenty-three million, one hundred twenty-six thousand, five hundred thirty".