223433231 has 8 divisors (see below), whose sum is σ = 261580704. Its totient is φ = 186842880.

The previous prime is 223433209. The next prime is 223433257. The reversal of 223433231 is 132334322.

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

It is not a de Polignac number, because 223433231 - 2¹⁴ = 223416847 is a prime.

It is a super-2 number, since 2×223433231² = 99844817430198722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223433197 and 223433206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223433281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388970 + ... + 389543.

It is an arithmetic number, because the mean of its divisors is an integer number (32697588).

Almost surely, 2^223433231 is an apocalyptic number.

223433231 is a deficient number, since it is larger than the sum of its proper divisors (38147473).

223433231 is an equidigital number, since it uses as much as digits as its factorization.

223433231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778561.

The product of its digits is 2592, while the sum is 23.

The square root of 223433231 is about 14947.6831315090. The cubic root of 223433231 is about 606.8051461375.

Adding to 223433231 its reverse (132334322), we get a palindrome (355767553).

The spelling of 223433231 in words is "two hundred twenty-three million, four hundred thirty-three thousand, two hundred thirty-one".