38923 has 2 divisors, whose sum is σ = 38924. Its totient is φ = 38922.
The previous prime is 38921. The next prime is 38933. The reversal of 38923 is 32983.
It is a happy number.
38923 is nontrivially palindromic in base 13.
It is a weak prime.
It is an emirp because it is prime and its reverse (32983) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 38923 - 21 = 38921 is a prime.
Together with 38921, it forms a pair of twin primes.
It is an Ulam number.
It is an alternating number because its digits alternate between odd and even.
38923 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (38921) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19461 + 19462.
It is an arithmetic number, because the mean of its divisors is an integer number (19462).
238923 is an apocalyptic number.
38923 is a deficient number, since it is larger than the sum of its proper divisors (1).
38923 is an equidigital number, since it uses as much as digits as its factorization.
38923 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1296, while the sum is 25.
The square root of 38923 is about 197.2891279316. The cubic root of 38923 is about 33.8897814968.
It can be divided in two parts, 38 and 923, that added together give a square (961 = 312).
The spelling of 38923 in words is "thirty-eight thousand, nine hundred twenty-three".
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