432030421 has 4 divisors (see below), whose sum is σ = 432072000. Its totient is φ = 431988844.

The previous prime is 432030419. The next prime is 432030427. The reversal of 432030421 is 124030234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 432030421 - 2¹ = 432030419 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 (432030427) 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, 9810 + ... + 30988.

It is an arithmetic number, because the mean of its divisors is an integer number (108018000).

Almost surely, 2^432030421 is an apocalyptic number.

It is an amenable number.

432030421 is a deficient number, since it is larger than the sum of its proper divisors (41579).

432030421 is a wasteful number, since it uses less digits than its factorization.

432030421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41578.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 432030421 is about 20785.3414934660. The cubic root of 432030421 is about 755.9703739918.

Adding to 432030421 its reverse (124030234), we get a palindrome (556060655).

The spelling of 432030421 in words is "four hundred thirty-two million, thirty thousand, four hundred twenty-one".