233 (number)

• 233 is a prime number,
• 233 is a Sophie Germain prime, a Pillai prime, and a Ramanujan prime.
• It is a Fibonacci number, one of the Fibonacci primes.
• There are exactly 233 maximal planar graphs with ten vertices, and 233 connected topological spaces with four points.
• +233 is the telephone country code for Ghana.