102443203 has 4 divisors (see below), whose sum is σ = 102649000. Its totient is φ = 102237408.

The previous prime is 102443197. The next prime is 102443213. The reversal of 102443203 is 302344201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102443203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102443213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102150 + ... + 103147.

It is an arithmetic number, because the mean of its divisors is an integer number (25662250).

Almost surely, 2^102443203 is an apocalyptic number.

102443203 is a deficient number, since it is larger than the sum of its proper divisors (205797).

102443203 is an equidigital number, since it uses as much as digits as its factorization.

102443203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205796.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 102443203 is about 10121.4229730804. The cubic root of 102443203 is about 467.9086238311.

Adding to 102443203 its reverse (302344201), we get a palindrome (404787404).

The spelling of 102443203 in words is "one hundred two million, four hundred forty-three thousand, two hundred three".