223423 has 2 divisors, whose sum is σ = 223424. Its totient is φ = 223422.

The previous prime is 223403. The next prime is 223429. The reversal of 223423 is 324322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223423 is a prime.

It is a plaindrome in base 16.

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 223397 and 223406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111711 + 111712.

It is an arithmetic number, because the mean of its divisors is an integer number (111712).

2²²³⁴²³ is an apocalyptic number.

223423 is a deficient number, since it is larger than the sum of its proper divisors (1).

223423 is an equidigital number, since it uses as much as digits as its factorization.

223423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 16.

The square root of 223423 is about 472.6764220902. The cubic root of 223423 is about 60.6795884134.

Adding to 223423 its reverse (324322), we get a palindrome (547745).

It can be divided in two parts, 223 and 423, that added together give a palindrome (646).

The spelling of 223423 in words is "two hundred twenty-three thousand, four hundred twenty-three", and thus it is an iban number.