19223 has 4 divisors (see below), whose sum is σ = 19680. Its totient is φ = 18768.
The previous prime is 19219. The next prime is 19231. The reversal of 19223 is 32291.
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 19223 - 22 = 19219 is a prime.
It is a Duffinian number.
It is a plaindrome in base 6 and base 13.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19213) 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, 158 + ... + 251.
It is an arithmetic number, because the mean of its divisors is an integer number (4920).
219223 is an apocalyptic number.
19223 is a deficient number, since it is larger than the sum of its proper divisors (457).
19223 is an equidigital number, since it uses as much as digits as its factorization.
19223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 456.
The product of its digits is 108, while the sum is 17.
The square root of 19223 is about 138.6470338666. The cubic root of 19223 is about 26.7880060685.
It can be divided in two parts, 19 and 223, that added together give a palindrome (242).
The spelling of 19223 in words is "nineteen thousand, two hundred twenty-three".
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