[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Type](https://evolu.dev/docs/api-reference/common/Type) › Digit1To23

```ts
type Digit1To23 =
  | "1"
  | "2"
  | "3"
  | "4"
  | "5"
  | "6"
  | "7"
  | "8"
  | "9"
  | "10"
  | "11"
  | "12"
  | "13"
  | "14"
  | "15"
  | "16"
  | "17"
  | "18"
  | "19"
  | "20"
  | "21"
  | "22"
  | "23";
```

Defined in: [packages/common/src/Type.ts:10783](https://github.com/evoluhq/evolu/blob/dd96d79f1dbe9a49fa12ce8e0aa7d3d0177795ca/packages/common/src/Type.ts#L10783)

Decimal integer string from `"1"` to `"23"`, without a leading zero.