423234530 has 32 divisors (see below), whose sum is σ = 779708160. Its totient is φ = 165335040.

The previous prime is 423234491. The next prime is 423234563. The reversal of 423234530 is 35432324.

It is a self number, because there is not a number n which added to its sum of digits gives 423234530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360845 + ... + 362015.

It is an arithmetic number, because the mean of its divisors is an integer number (24365880).

Almost surely, 2^423234530 is an apocalyptic number.

423234530 is a deficient number, since it is larger than the sum of its proper divisors (356473630).

423234530 is a wasteful number, since it uses less digits than its factorization.

423234530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 423234530 is about 20572.6646305237. The cubic root of 423234530 is about 750.8047835298.

Adding to 423234530 its reverse (35432324), we get a palindrome (458666854).

The spelling of 423234530 in words is "four hundred twenty-three million, two hundred thirty-four thousand, five hundred thirty".