432343121 has 12 divisors (see below), whose sum is σ = 524797632.
Its totient is φ = 354466728.
The previous prime is 432343117. The next prime is 432343123. The reversal of 432343121 is 121343234.
Adding to 432343121 its reverse (121343234), we get a palindrome (553686355).
It is not a de Polignac number, because 432343121 - 22 = 432343117 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (432343123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190685 + ... + 192938.
It is an arithmetic number, because the mean of its divisors is an integer number (43733136).
Almost surely, 2432343121 is an apocalyptic number.
It is an amenable number.
432343121 is a deficient number, since it is larger than the sum of its proper divisors (92454511).
432343121 is a wasteful number, since it uses less digits than its factorization.
432343121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 383660 (or 383653 counting only the distinct ones).
The product of its digits is 1728, while the sum is 23.
The square root of 432343121 is about 20792.8622608817.
The cubic root of 432343121 is about 756.1527183474.
The spelling of 432343121 in words is "four hundred thirty-two million, three hundred forty-three thousand, one hundred twenty-one".