423421202134 has 8 divisors (see below), whose sum is σ = 725864917968. Its totient is φ = 181466229480.

The previous prime is 423421202111. The next prime is 423421202137. The reversal of 423421202134 is 431202124324.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423421202137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15122185777 + ... + 15122185804.

It is an arithmetic number, because the mean of its divisors is an integer number (90733114746).

Almost surely, 2^423421202134 is an apocalyptic number.

423421202134 is a deficient number, since it is larger than the sum of its proper divisors (302443715834).

423421202134 is a wasteful number, since it uses less digits than its factorization.

423421202134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30244371590.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 423421202134 its reverse (431202124324), we get a palindrome (854623326458).

The spelling of 423421202134 in words is "four hundred twenty-three billion, four hundred twenty-one million, two hundred two thousand, one hundred thirty-four".