432021304423 has 4 divisors (see below), whose sum is σ = 432025355160. Its totient is φ = 432017253688.

The previous prime is 432021304417. The next prime is 432021304601. The reversal of 432021304423 is 324403120234.

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 432021304423 - 2¹⁷ = 432021173351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 432021304391 and 432021304400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432021304123) 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, 1860940 + ... + 2080177.

It is an arithmetic number, because the mean of its divisors is an integer number (108006338790).

Almost surely, 2^432021304423 is an apocalyptic number.

432021304423 is a deficient number, since it is larger than the sum of its proper divisors (4050737).

432021304423 is a wasteful number, since it uses less digits than its factorization.

432021304423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050736.

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

Adding to 432021304423 its reverse (324403120234), we get a palindrome (756424424657).

The spelling of 432021304423 in words is "four hundred thirty-two billion, twenty-one million, three hundred four thousand, four hundred twenty-three".