23293 has 2 divisors, whose sum is σ = 23294. Its totient is φ = 23292.
The previous prime is 23291. The next prime is 23297. The reversal of 23293 is 39232.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13689 + 9604 = 117^2 + 98^2 .
It is a cyclic number.
It is not a de Polignac number, because 23293 - 21 = 23291 is a prime.
Together with 23291, it forms a pair of twin primes.
23293 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 23293.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23291) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11646 + 11647.
It is an arithmetic number, because the mean of its divisors is an integer number (11647).
223293 is an apocalyptic number.
It is an amenable number.
23293 is a deficient number, since it is larger than the sum of its proper divisors (1).
23293 is an equidigital number, since it uses as much as digits as its factorization.
23293 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 324, while the sum is 19.
The square root of 23293 is about 152.6204442400. The cubic root of 23293 is about 28.5589219072.
It can be divided in two parts, 2329 and 3, that added together give a palindrome (2332).
The spelling of 23293 in words is "twenty-three thousand, two hundred ninety-three".
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