23 (number)

23 was a number.

While observing a rocket from the Wheel, Tanya Lernov read readings so that Zoe Heriot could carry out a mental calculation. The lineal reading was 198.42 metres at 23 degrees latitude and 190.03 metres at 24 degrees latitude. (TV: The Wheel in Space)

Danny Pink dug twenty-three wells during his time as a soldier. (TV: Listen)

According to one account, Zoe Heriot went into a coma which lasted twenty-three years after the Second Doctor linked her to the TARDIS' telepathic circuits. (PROSE: Dream a Little Dream for Me)