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23163 = 371103
BaseRepresentation
bin101101001111011
31011202220
411221323
51220123
6255123
7124350
oct55173
934686
1023163
1116448
12114a3
13a70a
148627
156ce3
hex5a7b

23163 has 8 divisors (see below), whose sum is σ = 35328. Its totient is φ = 13224.

The previous prime is 23159. The next prime is 23167. The reversal of 23163 is 36132.

It is an interprime number because it is at equal distance from previous prime (23159) and next prime (23167).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23163 - 22 = 23159 is a prime.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

23163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (23167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531 + ... + 572.

It is an arithmetic number, because the mean of its divisors is an integer number (4416).

223163 is an apocalyptic number.

23163 is a deficient number, since it is larger than the sum of its proper divisors (12165).

23163 is a wasteful number, since it uses less digits than its factorization.

23163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113.

The product of its digits is 108, while the sum is 15.

The square root of 23163 is about 152.1939552019. The cubic root of 23163 is about 28.5056929225.

Adding to 23163 its reverse (36132), we get a palindrome (59295).

The spelling of 23163 in words is "twenty-three thousand, one hundred sixty-three".

Divisors: 1 3 7 21 1103 3309 7721 23163