234420223 has 4 divisors (see below), whose sum is σ = 234460800. Its totient is φ = 234379648.

The previous prime is 234420187. The next prime is 234420239. The reversal of 234420223 is 322024432.

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 234420223 - 2⁹ = 234419711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234420194 and 234420203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234420023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9823 + ... + 23776.

It is an arithmetic number, because the mean of its divisors is an integer number (58615200).

Almost surely, 2^234420223 is an apocalyptic number.

234420223 is a deficient number, since it is larger than the sum of its proper divisors (40577).

234420223 is an equidigital number, since it uses as much as digits as its factorization.

234420223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40576.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 234420223 is about 15310.7877981507. The cubic root of 234420223 is about 616.5926709688.

Adding to 234420223 its reverse (322024432), we get a palindrome (556444655).

The spelling of 234420223 in words is "two hundred thirty-four million, four hundred twenty thousand, two hundred twenty-three".