Sahih Al Bukhari Hadith Number 1071

Narrated Ibn `Abbas: The Prophet (peace be upon him) I prostrated while reciting An-Najm and with him prostrated the Muslims, the pagans, the jinns, and all human beings.

17  Prostration During Recital of Qur’an
Hadith number 1071
Volume no 2
Chapter: 5 ( The prostrattion of Muslims along with Al-Mushrikun; and a Mushrik is Najasun (impure) and does not perform ablution;)