423324142 has 32 divisors (see below), whose sum is σ = 678142080. Its totient is φ = 197627040.

The previous prime is 423324137. The next prime is 423324149. The reversal of 423324142 is 241423324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423324149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1378753 + ... + 1379059.

It is an arithmetic number, because the mean of its divisors is an integer number (21191940).

Almost surely, 2^423324142 is an apocalyptic number.

423324142 is a deficient number, since it is larger than the sum of its proper divisors (254817938).

423324142 is a wasteful number, since it uses less digits than its factorization.

423324142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736.

The product of its digits is 4608, while the sum is 25.

The square root of 423324142 is about 20574.8424538318. The cubic root of 423324142 is about 750.8577694163.

Adding to 423324142 its reverse (241423324), we get a palindrome (664747466).

The spelling of 423324142 in words is "four hundred twenty-three million, three hundred twenty-four thousand, one hundred forty-two".