The number "43" is an integer that follows 42 and precedes 44. It is an odd number and can be expressed as the sum of two prime numbers: 41 and 2. In mathematics, 43 is also classified as a prime number, meaning it has no positive divisors other than 1 and itself. In popular culture, the number 43 has appeared in various contexts, such as in sports, where it is often worn by athletes. For example, Jackie Robinson wore the number 42, which is famously retired across Major League Baseball, while 43 has been associated with players like Dale Earnhardt in NASCAR.