431220223 has 8 divisors (see below), whose sum is σ = 493184160. Its totient is φ = 369346560.

The previous prime is 431220217. The next prime is 431220239. The reversal of 431220223 is 322022134.

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 431220223 - 2⁵ = 431220191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431220223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431220263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11998 + ... + 31723.

It is an arithmetic number, because the mean of its divisors is an integer number (61648020).

Almost surely, 2^431220223 is an apocalyptic number.

431220223 is a deficient number, since it is larger than the sum of its proper divisors (61963937).

431220223 is a wasteful number, since it uses less digits than its factorization.

431220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45137.

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

The square root of 431220223 is about 20765.8426990094. The cubic root of 431220223 is about 755.4975145782.

Adding to 431220223 its reverse (322022134), we get a palindrome (753242357).

The spelling of 431220223 in words is "four hundred thirty-one million, two hundred twenty thousand, two hundred twenty-three".