1423 has 2 divisors, whose sum is σ = 1424.
Its totient is φ = 1422.
The previous prime is 1409. The next prime is 1427. The reversal of 1423 is 3241.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1423 - 29 = 911 is a prime.
It is a plaindrome in base 16.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711 + 712.
It is an arithmetic number, because the mean of its divisors is an integer number (712).
1423 is a deficient number, since it is larger than the sum of its proper divisors (1).
1423 is an equidigital number, since it uses as much as digits as its factorization.
1423 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 24, while the sum is 10.
The square root of 1423 is about 37.7226722277.
The cubic root of 1423 is about 11.2478185071.
Adding to 1423 its reverse (3241), we get a palindrome (4664).
It can be divided in two parts, 1 and 423, that added together give a palindrome (424).
The spelling of 1423 in words is "one thousand, four hundred twenty-three", and thus it is an iban number.