23,456,789

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Number

$23 \, 456 \, 789$ is:

The $1 \, 475 \, 171$st prime number


The smallest prime number with all digits except $0$ and $1$


The $11$th prime number after $2$, $3$, $5$, $7$, $23$, $67$, $89$, $4567$, $78 \, 901$, $678 \, 901$ consisting of a string of consecutive ascending digits (allowing $0$ to follow $9$)


Also note that $23$, $4567$ and $89$ are all prime numbers also


Also see


Sources

  • 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $23,456,789$
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