432140323 has 8 divisors (see below), whose sum is σ = 466194528. Its totient is φ = 399045504.

The previous prime is 432140321. The next prime is 432140329. The reversal of 432140323 is 323041234.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 432140323 - 2¹ = 432140321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 432140294 and 432140303.

It is not an unprimeable number, because it can be changed into a prime (432140321) 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, 238911 + ... + 240712.

It is an arithmetic number, because the mean of its divisors is an integer number (58274316).

Almost surely, 2^432140323 is an apocalyptic number.

432140323 is a deficient number, since it is larger than the sum of its proper divisors (34054205).

432140323 is a wasteful number, since it uses less digits than its factorization.

432140323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479693.

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

The square root of 432140323 is about 20787.9850634928. The cubic root of 432140323 is about 756.0344710307.

Adding to 432140323 its reverse (323041234), we get a palindrome (755181557).

It can be divided in two parts, 4321 and 40323, that added together give a palindrome (44644).

The spelling of 432140323 in words is "four hundred thirty-two million, one hundred forty thousand, three hundred twenty-three".