432440323 has 16 divisors (see below), whose sum is σ = 529056000. Its totient is φ = 345196512.

The previous prime is 432440317. The next prime is 432440341. The reversal of 432440323 is 323044234.

It is a cyclic number.

It is not a de Polignac number, because 432440323 - 2⁹ = 432439811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432440353) 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 15 ways as a sum of consecutive naturals, for example, 19708 + ... + 35401.

It is an arithmetic number, because the mean of its divisors is an integer number (33066000).

Almost surely, 2^432440323 is an apocalyptic number.

432440323 is a deficient number, since it is larger than the sum of its proper divisors (96615677).

432440323 is a wasteful number, since it uses less digits than its factorization.

432440323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55194.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 432440323 is about 20795.1995181580. The cubic root of 432440323 is about 756.2093817130.

Adding to 432440323 its reverse (323044234), we get a palindrome (755484557).

The spelling of 432440323 in words is "four hundred thirty-two million, four hundred forty thousand, three hundred twenty-three".