235 (two hundred [and] thirty-five) is the integer following 234 and preceding 236.
Additionally, 235 is:
- a semiprime
- a heptagonal number
- a centered triangular number
- therefore a figurate number in two ways
- palindromic in bases 4 (3223<sub>4</sub>), 7 (454<sub>7</sub>), 8 (353<sub>8</sub>), 13 (151<sub>13</sub>), and 46 (55<sub>46</sub>)
- a Harshad number in bases 6, 47, 48, 95, 116, 189 and 231
- a Smarandache–Wellin number
Also:
- There are 235 different trees with 11 unlabeled nodes.
- If an equilateral triangle is subdivided into smaller equilateral triangles whose side length is 1/9 as small, the resulting "matchstick arrangement" will have exactly 235 different equilateral triangles of varying sizes in it.
- The Metonic cycle is 235 synodic months.