223234423 has 2 divisors, whose sum is σ = 223234424. Its totient is φ = 223234422.

The previous prime is 223234409. The next prime is 223234447. The reversal of 223234423 is 324432322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223234423 - 2⁵ = 223234391 is a prime.

It is a super-3 number, since 3×223234423³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223234483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111617211 + 111617212.

It is an arithmetic number, because the mean of its divisors is an integer number (111617212).

Almost surely, 2^223234423 is an apocalyptic number.

223234423 is a deficient number, since it is larger than the sum of its proper divisors (1).

223234423 is an equidigital number, since it uses as much as digits as its factorization.

223234423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 25.

The square root of 223234423 is about 14941.0315239611. The cubic root of 223234423 is about 606.6251169400.

Adding to 223234423 its reverse (324432322), we get a palindrome (547666745).

The spelling of 223234423 in words is "two hundred twenty-three million, two hundred thirty-four thousand, four hundred twenty-three".