423520230434 has 8 divisors (see below), whose sum is σ = 726034680768. Its totient is φ = 181508670180.

The previous prime is 423520230431. The next prime is 423520230439. The reversal of 423520230434 is 434032025324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 423520230434.

It is not an unprimeable number, because it can be changed into a prime (423520230431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15125722502 + ... + 15125722529.

It is an arithmetic number, because the mean of its divisors is an integer number (90754335096).

Almost surely, 2^423520230434 is an apocalyptic number.

423520230434 is a deficient number, since it is larger than the sum of its proper divisors (302514450334).

423520230434 is a wasteful number, since it uses less digits than its factorization.

423520230434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30251445040.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 423520230434 its reverse (434032025324), we get a palindrome (857552255758).

The spelling of 423520230434 in words is "four hundred twenty-three billion, five hundred twenty million, two hundred thirty thousand, four hundred thirty-four".