23893 has 2 divisors, whose sum is σ = 23894.
Its totient is φ = 23892.
The previous prime is 23887. The next prime is 23899. The reversal of 23893 is 39832.
It is a happy number.
It is a balanced prime because it is at equal distance from previous prime (23887) and next prime (23899).
It can be written as a sum of positive squares in only one way, i.e., 23409 + 484 = 153^2 + 22^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23893 is a prime.
23893 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23899) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11946 + 11947.
It is an arithmetic number, because the mean of its divisors is an integer number (11947).
223893 is an apocalyptic number.
It is an amenable number.
23893 is a deficient number, since it is larger than the sum of its proper divisors (1).
23893 is an equidigital number, since it uses as much as digits as its factorization.
23893 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1296, while the sum is 25.
The square root of 23893 is about 154.5736070615.
The cubic root of 23893 is about 28.8020606807.
The spelling of 23893 in words is "twenty-three thousand, eight hundred ninety-three".