Reversing the digits of 3203 also produces a prime (A109309).
3203 has the property that if each digit is replaced by its square, the resulting number is a square.
3203 is a prime whose digit sum is 8 (A062343).
3203 is the smallest prime whose decimal expansion begins with concatenation of the first two primes in descending order (A171154).
Source: What's Special About This Number
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