423142120 has 32 divisors (see below), whose sum is σ = 958473000. Its totient is φ = 168118528.

The previous prime is 423142117. The next prime is 423142127. The reversal of 423142120 is 21241324.

It can be written as a sum of positive squares in 4 ways, for example, as 132848676 + 290293444 = 11526^2 + 17038^2 .

It is not an unprimeable number, because it can be changed into a prime (423142127) 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 7 ways as a sum of consecutive naturals, for example, 29539 + ... + 41458.

Almost surely, 2^423142120 is an apocalyptic number.

423142120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423142120 is an abundant number, since it is smaller than the sum of its proper divisors (535330880).

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

423142120 is a wasteful number, since it uses less digits than its factorization.

423142120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71157 (or 71153 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 423142120 is about 20570.4185664755. The cubic root of 423142120 is about 750.7501354050.

Adding to 423142120 its reverse (21241324), we get a palindrome (444383444).

The spelling of 423142120 in words is "four hundred twenty-three million, one hundred forty-two thousand, one hundred twenty".