23![](//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/%5E23_-_Flickr_-_Stiller_Beobachter.jpg/300px-%5E23_-_Flickr_-_Stiller_Beobachter.jpg) |
Cineál | uimhir phríomha n!±1, Woodall number (en) , uimhir phríomha Eisenstein, Sophie Germain prime (en) , safe prime (en) , Pillai prime (en) , highly cototient number (en) , fortunate number (en) , Wedderburn–Etherington number (en) , Smarandache–Wellin number (en) , uimhir aiceanta, uimhir phríomha agus uimhir chorr ![Cuir in eagar ar Wikidata](//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png) |
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Luach | 23 ![Cuir in eagar ar Wikidata](//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png) |
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Uimhir Rómhánach | XXIII |
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Dénártha | 101112 |
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Is é 23 an uimhir nádúrtha tar éis 22 agus roimh 24.