233423 has 2 divisors, whose sum is σ = 233424.
Its totient is φ = 233422.
The previous prime is 233419. The next prime is 233437. The reversal of 233423 is 324332.
Adding to 233423 its reverse (324332), we get a palindrome (557755).
Subtracting 233423 from its reverse (324332), we obtain a palindrome (90909).
It can be divided in two parts, 233 and 423, that added together give a palindrome (656).
233423 is nontrivially palindromic in base 13.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 233423 - 22 = 233419 is a prime.
It is equal to p20708 and since 233423 and 20708 have the same sum of digits, it is a Honaker prime.
It is a zygodrome in base 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (233323) 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 as a sum of consecutive naturals, namely, 116711 + 116712.
It is an arithmetic number, because the mean of its divisors is an integer number (116712).
2233423 is an apocalyptic number.
233423 is a deficient number, since it is larger than the sum of its proper divisors (1).
233423 is an equidigital number, since it uses as much as digits as its factorization.
233423 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 432, while the sum is 17.
The square root of 233423 is about 483.1386964423.
The cubic root of 233423 is about 61.5717100378.
The spelling of 233423 in words is "two hundred thirty-three thousand, four hundred twenty-three".