432021223 has 4 divisors (see below), whose sum is σ = 442558368. Its totient is φ = 421484080.

The previous prime is 432021203. The next prime is 432021229. The reversal of 432021223 is 322120234.

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 432021223 - 2²¹ = 429924071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 432021223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432021229) 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, 5268511 + ... + 5268592.

It is an arithmetic number, because the mean of its divisors is an integer number (110639592).

Almost surely, 2^432021223 is an apocalyptic number.

432021223 is a deficient number, since it is larger than the sum of its proper divisors (10537145).

432021223 is a wasteful number, since it uses less digits than its factorization.

432021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10537144.

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

The square root of 432021223 is about 20785.1202305880. The cubic root of 432021223 is about 755.9650090418.

Adding to 432021223 its reverse (322120234), we get a palindrome (754141457).

The spelling of 432021223 in words is "four hundred thirty-two million, twenty-one thousand, two hundred twenty-three".