432121303 has 4 divisors (see below), whose sum is σ = 434619288. Its totient is φ = 429623320.

The previous prime is 432121301. The next prime is 432121387. The reversal of 432121303 is 303121234.

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

It is a cyclic number.

It is not a de Polignac number, because 432121303 - 2¹ = 432121301 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 (432121301) 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, 1248733 + ... + 1249078.

It is an arithmetic number, because the mean of its divisors is an integer number (108654822).

Almost surely, 2^432121303 is an apocalyptic number.

432121303 is a deficient number, since it is larger than the sum of its proper divisors (2497985).

432121303 is a wasteful number, since it uses less digits than its factorization.

432121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497984.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 432121303 is about 20787.5275826636. The cubic root of 432121303 is about 756.0233789650.

Adding to 432121303 its reverse (303121234), we get a palindrome (735242537).

The spelling of 432121303 in words is "four hundred thirty-two million, one hundred twenty-one thousand, three hundred three".