423134042 has 8 divisors (see below), whose sum is σ = 635557536. Its totient is φ = 211281532.

The previous prime is 423134021. The next prime is 423134053. The reversal of 423134042 is 240431324.

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 = 423133999 and 423134017.

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 3 ways as a sum of consecutive naturals, for example, 140888 + ... + 143859.

It is an arithmetic number, because the mean of its divisors is an integer number (79444692).

Almost surely, 2^423134042 is an apocalyptic number.

423134042 is a deficient number, since it is larger than the sum of its proper divisors (212423494).

423134042 is a wasteful number, since it uses less digits than its factorization.

423134042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285492.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 423134042 is about 20570.2222156203. Note that the first 4 decimals coincide. The cubic root of 423134042 is about 750.7453579729.

Adding to 423134042 its reverse (240431324), we get a palindrome (663565366).

The spelling of 423134042 in words is "four hundred twenty-three million, one hundred thirty-four thousand, forty-two".