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23223 = 37741
BaseRepresentation
bin101101010110111
31011212010
411222313
51220343
6255303
7124464
oct55267
934763
1023223
11164a2
1211533
13a755
14866b
156d33
hex5ab7

23223 has 4 divisors (see below), whose sum is σ = 30968. Its totient is φ = 15480.

The previous prime is 23209. The next prime is 23227. The reversal of 23223 is 32232.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23223 - 26 = 23159 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 23199 and 23208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23227) 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, 3868 + ... + 3873.

It is an arithmetic number, because the mean of its divisors is an integer number (7742).

223223 is an apocalyptic number.

23223 is a deficient number, since it is larger than the sum of its proper divisors (7745).

23223 is an equidigital number, since it uses as much as digits as its factorization.

23223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7744.

The product of its digits is 72, while the sum is 12.

The square root of 23223 is about 152.3909446129. The cubic root of 23223 is about 28.5302848278.

Adding to 23223 its reverse (32232), we get a palindrome (55455).

Subtracting 23223 from its reverse (32232), we obtain a palindrome (9009).

It can be divided in two parts, 2 and 3223, that multiplied together give a palindrome (6446).

The spelling of 23223 in words is "twenty-three thousand, two hundred twenty-three", and thus it is an iban number.

Divisors: 1 3 7741 23223