432320143 has 4 divisors (see below), whose sum is σ = 432392688. Its totient is φ = 432247600.

The previous prime is 432320131. The next prime is 432320171. The reversal of 432320143 is 341023234.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341023234 = 2 ⋅170511617.

It is a cyclic number.

It is not a de Polignac number, because 432320143 - 2⁵ = 432320111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432320743) 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, 26446 + ... + 39547.

It is an arithmetic number, because the mean of its divisors is an integer number (108098172).

Almost surely, 2^432320143 is an apocalyptic number.

432320143 is a deficient number, since it is larger than the sum of its proper divisors (72545).

432320143 is an equidigital number, since it uses as much as digits as its factorization.

432320143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72544.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 432320143 is about 20792.3097081589. The cubic root of 432320143 is about 756.1393222089.

Adding to 432320143 its reverse (341023234), we get a palindrome (773343377).

The spelling of 432320143 in words is "four hundred thirty-two million, three hundred twenty thousand, one hundred forty-three".