223000231 has 4 divisors (see below), whose sum is σ = 223030792. Its totient is φ = 222969672.

The previous prime is 223000229. The next prime is 223000241. The reversal of 223000231 is 132000322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 223000231 - 2¹ = 223000229 is a prime.

It is a super-2 number, since 2×223000231² = 99458206052106722, which contains 22 as substring.

It is a Duffinian number.

223000231 is a modest number, since divided by 231 gives 223 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223000241) 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, 2785 + ... + 21301.

It is an arithmetic number, because the mean of its divisors is an integer number (55757698).

Almost surely, 2^223000231 is an apocalyptic number.

223000231 is a deficient number, since it is larger than the sum of its proper divisors (30561).

223000231 is a wasteful number, since it uses less digits than its factorization.

223000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30560.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 223000231 is about 14933.1922575181. The cubic root of 223000231 is about 606.4129088398.

Adding to 223000231 its reverse (132000322), we get a palindrome (355000553).

Subtracting from 223000231 its reverse (132000322), we obtain a palindrome (90999909).

The spelling of 223000231 in words is "two hundred twenty-three million, two hundred thirty-one", and thus it is an aban number.