MathNet 2023-part-05 — 191 problems (EN–VI) Question 96

For a positive integer $n$, denote $s(n)$ the sum of its odd digits. For instance, $s(512418) = 5 + 1 + 1 = 7$ and $s(82624) = 0$.
Compute $s(1) + s(2) + s(3) + \dots + s(2023)$.