423224142 has 32 divisors (see below), whose sum is σ = 930061440. Its totient is φ = 127324320.

The previous prime is 423224141. The next prime is 423224147. The reversal of 423224142 is 241422324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423224141) 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, 13893 + ... + 32240.

It is an arithmetic number, because the mean of its divisors is an integer number (29064420).

Almost surely, 2^423224142 is an apocalyptic number.

423224142 is an abundant number, since it is smaller than the sum of its proper divisors (506837298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423224142 is a wasteful number, since it uses less digits than its factorization.

423224142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46288.

The product of its digits is 3072, while the sum is 24.

The square root of 423224142 is about 20572.4121580334. The cubic root of 423224142 is about 750.7986408175.

Adding to 423224142 its reverse (241422324), we get a palindrome (664646466).

It can be divided in two parts, 42322 and 4142, that added together give a palindrome (46464).

The spelling of 423224142 in words is "four hundred twenty-three million, two hundred twenty-four thousand, one hundred forty-two".