432431443 has 4 divisors (see below), whose sum is σ = 441632160. Its totient is φ = 423230728.

The previous prime is 432431437. The next prime is 432431453. The reversal of 432431443 is 344134234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432431443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432431423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4600288 + ... + 4600381.

It is an arithmetic number, because the mean of its divisors is an integer number (110408040).

Almost surely, 2^432431443 is an apocalyptic number.

432431443 is a deficient number, since it is larger than the sum of its proper divisors (9200717).

432431443 is an equidigital number, since it uses as much as digits as its factorization.

432431443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200716.

The product of its digits is 13824, while the sum is 28.

The square root of 432431443 is about 20794.9860062468. The cubic root of 432431443 is about 756.2042055188.

Adding to 432431443 its reverse (344134234), we get a palindrome (776565677).

The spelling of 432431443 in words is "four hundred thirty-two million, four hundred thirty-one thousand, four hundred forty-three".