23273 has 6 divisors (see below), whose sum is σ = 25326.
Its totient is φ = 21312.
The previous prime is 23269. The next prime is 23279. The reversal of 23273 is 37232.
Multipling 23273 by its sum of digits (17), we get a square (395641 = 6292).
23273 divided by its sum of digits (17) gives a square (1369 = 372).
It can be written as a sum of positive squares in 3 ways, for example, as 16384 + 6889 = 128^2 + 83^2
It is not a de Polignac number, because 23273 - 22 = 23269 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23279) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611 + ... + 647.
It is an arithmetic number, because the mean of its divisors is an integer number (4221).
223273 is an apocalyptic number.
It is an amenable number.
23273 is a deficient number, since it is larger than the sum of its proper divisors (2053).
23273 is an equidigital number, since it uses as much as digits as its factorization.
23273 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91 (or 54 counting only the distinct ones).
The product of its digits is 252, while the sum is 17.
The square root of 23273 is about 152.5549081479.
The cubic root of 23273 is about 28.5507457456.
The spelling of 23273 in words is "twenty-three thousand, two hundred seventy-three", and thus it is an iban number.