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23317 = 73331
BaseRepresentation
bin101101100010101
31011222121
411230111
51221232
6255541
7124660
oct55425
934877
1023317
1116578
12115b1
13a7c8
1486d7
156d97
hex5b15

23317 has 4 divisors (see below), whose sum is σ = 26656. Its totient is φ = 19980.

The previous prime is 23311. The next prime is 23321. The reversal of 23317 is 71332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23317 - 27 = 23189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659 + ... + 1672.

It is an arithmetic number, because the mean of its divisors is an integer number (6664).

223317 is an apocalyptic number.

It is an amenable number.

23317 is a deficient number, since it is larger than the sum of its proper divisors (3339).

23317 is an equidigital number, since it uses as much as digits as its factorization.

23317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338.

The product of its digits is 126, while the sum is 16.

The square root of 23317 is about 152.6990504227. The cubic root of 23317 is about 28.5687271255.

Adding to 23317 its reverse (71332), we get a palindrome (94649).

The spelling of 23317 in words is "twenty-three thousand, three hundred seventeen", and thus it is an iban number.

Divisors: 1 7 3331 23317