223431423 has 8 divisors (see below), whose sum is σ = 298003200. Its totient is φ = 148906968.

The previous prime is 223431409. The next prime is 223431463. The reversal of 223431423 is 324134322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223431423 - 2⁶ = 223431359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223431393 and 223431402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223431463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1258 + ... + 21176.

It is an arithmetic number, because the mean of its divisors is an integer number (37250400).

Almost surely, 2^223431423 is an apocalyptic number.

223431423 is a deficient number, since it is larger than the sum of its proper divisors (74571777).

223431423 is a wasteful number, since it uses less digits than its factorization.

223431423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23661.

The product of its digits is 3456, while the sum is 24.

The square root of 223431423 is about 14947.6226537868. The cubic root of 223431423 is about 606.8035093970.

Adding to 223431423 its reverse (324134322), we get a palindrome (547565745).

The spelling of 223431423 in words is "two hundred twenty-three million, four hundred thirty-one thousand, four hundred twenty-three".