103203243 has 96 divisors (see below), whose sum is σ = 191056320. Its totient is φ = 52715520.

The previous prime is 103203223. The next prime is 103203251. The reversal of 103203243 is 342302301.

It is not a de Polignac number, because 103203243 - 2¹² = 103199147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103203203) 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 95 ways as a sum of consecutive naturals, for example, 1159543 + ... + 1159631.

It is an arithmetic number, because the mean of its divisors is an integer number (1990170).

Almost surely, 2^103203243 is an apocalyptic number.

103203243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

103203243 is a deficient number, since it is larger than the sum of its proper divisors (87853077).

103203243 is a wasteful number, since it uses less digits than its factorization.

103203243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 103203243 is about 10158.8996943567. The cubic root of 103203243 is about 469.0629330158.

Adding to 103203243 its reverse (342302301), we get a palindrome (445505544).

The spelling of 103203243 in words is "one hundred three million, two hundred three thousand, two hundred forty-three".