423115530 has 16 divisors (see below), whose sum is σ = 1015477344. Its totient is φ = 112830800.

The previous prime is 423115513. The next prime is 423115603. The reversal of 423115530 is 35511324.

It is a self number, because there is not a number n which added to its sum of digits gives 423115530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7051896 + ... + 7051955.

It is an arithmetic number, because the mean of its divisors is an integer number (63467334).

Almost surely, 2^423115530 is an apocalyptic number.

423115530 is an abundant number, since it is smaller than the sum of its proper divisors (592361814).

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

423115530 is a wasteful number, since it uses less digits than its factorization.

423115530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14103861.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 423115530 is about 20569.7722398669. The cubic root of 423115530 is about 750.7344095111.

Adding to 423115530 its reverse (35511324), we get a palindrome (458626854).

The spelling of 423115530 in words is "four hundred twenty-three million, one hundred fifteen thousand, five hundred thirty".