23973 has 8 divisors (see below), whose sum is σ = 32736.
Its totient is φ = 15600.
The previous prime is 23971. The next prime is 23977. The reversal of 23973 is 37932.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23973 - 21 = 23971 is a prime.
It is a Curzon number.
23973 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23971) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118 + ... + 248.
It is an arithmetic number, because the mean of its divisors is an integer number (4092).
223973 is an apocalyptic number.
It is an amenable number.
23973 is a deficient number, since it is larger than the sum of its proper divisors (8763).
23973 is a wasteful number, since it uses less digits than its factorization.
23973 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 195.
The product of its digits is 1134, while the sum is 24.
The square root of 23973 is about 154.8321672005.
The cubic root of 23973 is about 28.8341704755.
The spelling of 23973 in words is "twenty-three thousand, nine hundred seventy-three".