423142042 has 8 divisors (see below), whose sum is σ = 634917600. Its totient is φ = 211502844.

The previous prime is 423142039. The next prime is 423142043. The reversal of 423142042 is 240241324.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (423142043) by changing a digit.

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, 25942 + ... + 38977.

It is an arithmetic number, because the mean of its divisors is an integer number (79364700).

Almost surely, 2^423142042 is an apocalyptic number.

423142042 is a deficient number, since it is larger than the sum of its proper divisors (211775558).

423142042 is a wasteful number, since it uses less digits than its factorization.

423142042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68180.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 423142042 is about 20570.4166705490. The cubic root of 423142042 is about 750.7500892751.

Adding to 423142042 its reverse (240241324), we get a palindrome (663383366).

The spelling of 423142042 in words is "four hundred twenty-three million, one hundred forty-two thousand, forty-two".