423478516142 has 16 divisors (see below), whose sum is σ = 693367091712. Its totient is φ = 192378499320.

The previous prime is 423478516127. The next prime is 423478516163. The reversal of 423478516142 is 241615874324.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5547998 + ... + 5623809.

It is an arithmetic number, because the mean of its divisors is an integer number (43335443232).

Almost surely, 2^423478516142 is an apocalyptic number.

423478516142 is a deficient number, since it is larger than the sum of its proper divisors (269888575570).

423478516142 is a wasteful number, since it uses less digits than its factorization.

423478516142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11173543.

The product of its digits is 1290240, while the sum is 47.

The spelling of 423478516142 in words is "four hundred twenty-three billion, four hundred seventy-eight million, five hundred sixteen thousand, one hundred forty-two".