102143203 has 6 divisors (see below), whose sum is σ = 103395644. Its totient is φ = 100905756.

The previous prime is 102143159. The next prime is 102143257. The reversal of 102143203 is 302341201.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-102143203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102143263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525 + ... + 14302.

Almost surely, 2^102143203 is an apocalyptic number.

102143203 is a deficient number, since it is larger than the sum of its proper divisors (1252441).

102143203 is an frugal number, since it uses more digits than its factorization.

102143203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14993 (or 14910 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 102143203 is about 10106.5920566727. The cubic root of 102143203 is about 467.4514279372.

Adding to 102143203 its reverse (302341201), we get a palindrome (404484404).

The spelling of 102143203 in words is "one hundred two million, one hundred forty-three thousand, two hundred three".