431225223 has 16 divisors (see below), whose sum is σ = 675486336. Its totient is φ = 241244640.

The previous prime is 431225219. The next prime is 431225231. The reversal of 431225223 is 322522134.

It is not a de Polignac number, because 431225223 - 2² = 431225219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431225193 and 431225202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431225293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502165 + ... + 503022.

It is an arithmetic number, because the mean of its divisors is an integer number (42217896).

Almost surely, 2^431225223 is an apocalyptic number.

431225223 is a deficient number, since it is larger than the sum of its proper divisors (244261113).

431225223 is a wasteful number, since it uses less digits than its factorization.

431225223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005214.

The product of its digits is 2880, while the sum is 24.

The square root of 431225223 is about 20765.9630886699. The cubic root of 431225223 is about 755.5004345657.

Adding to 431225223 its reverse (322522134), we get a palindrome (753747357).

The spelling of 431225223 in words is "four hundred thirty-one million, two hundred twenty-five thousand, two hundred twenty-three".