431344223 has 4 divisors (see below), whose sum is σ = 441375528. Its totient is φ = 421312920.

The previous prime is 431344201. The next prime is 431344259. The reversal of 431344223 is 322443134.

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 431344223 - 2¹⁴ = 431327839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431344192 and 431344201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431349223) 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, 5015588 + ... + 5015673.

It is an arithmetic number, because the mean of its divisors is an integer number (110343882).

Almost surely, 2^431344223 is an apocalyptic number.

431344223 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

431344223 is a deficient number, since it is larger than the sum of its proper divisors (10031305).

431344223 is a wasteful number, since it uses less digits than its factorization.

431344223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10031304.

The product of its digits is 6912, while the sum is 26.

The square root of 431344223 is about 20768.8281566390. The cubic root of 431344223 is about 755.5699236078.

Adding to 431344223 its reverse (322443134), we get a palindrome (753787357).

The spelling of 431344223 in words is "four hundred thirty-one million, three hundred forty-four thousand, two hundred twenty-three".