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23143 is a prime number
BaseRepresentation
bin101101001100111
31011202011
411221213
51220033
6255051
7124321
oct55147
934664
1023143
111642a
1211487
13a6c3
148611
156ccd
hex5a67

23143 has 2 divisors, whose sum is σ = 23144. Its totient is φ = 23142.

The previous prime is 23131. The next prime is 23159. The reversal of 23143 is 34132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23143 - 213 = 14951 is a prime.

It is a plaindrome in base 15.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11571 + 11572.

It is an arithmetic number, because the mean of its divisors is an integer number (11572).

223143 is an apocalyptic number.

23143 is a deficient number, since it is larger than the sum of its proper divisors (1).

23143 is an equidigital number, since it uses as much as digits as its factorization.

23143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 13.

The square root of 23143 is about 152.1282353805. The cubic root of 23143 is about 28.4974861844.

Adding to 23143 its reverse (34132), we get a palindrome (57275).

The spelling of 23143 in words is "twenty-three thousand, one hundred forty-three", and thus it is an iban number.