423444134342 has 8 divisors (see below), whose sum is σ = 635339802600. Its totient is φ = 211664200144.

The previous prime is 423444134341. The next prime is 423444134363. The reversal of 423444134342 is 243431444324.

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

It is a junction number, because it is equal to n+sod(n) for n = 423444134296 and 423444134305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423444134341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28924367 + ... + 28939002.

It is an arithmetic number, because the mean of its divisors is an integer number (79417475325).

Almost surely, 2^423444134342 is an apocalyptic number.

423444134342 is a deficient number, since it is larger than the sum of its proper divisors (211895668258).

423444134342 is a wasteful number, since it uses less digits than its factorization.

423444134342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57867030.

The product of its digits is 442368, while the sum is 38.

Adding to 423444134342 its reverse (243431444324), we get a palindrome (666875578666).

The spelling of 423444134342 in words is "four hundred twenty-three billion, four hundred forty-four million, one hundred thirty-four thousand, three hundred forty-two".