103000243 has 2 divisors, whose sum is σ = 103000244. Its totient is φ = 103000242.

The previous prime is 103000237. The next prime is 103000277. The reversal of 103000243 is 342000301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103000243 - 2⁹ = 102999731 is a prime.

It is not a weakly prime, because it can be changed into another prime (103000223) 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 as a sum of consecutive naturals, namely, 51500121 + 51500122.

It is an arithmetic number, because the mean of its divisors is an integer number (51500122).

Almost surely, 2^103000243 is an apocalyptic number.

103000243 is a deficient number, since it is larger than the sum of its proper divisors (1).

103000243 is an equidigital number, since it uses as much as digits as its factorization.

103000243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 103000243 is about 10148.9035368359. The cubic root of 103000243 is about 468.7551833975.

Adding to 103000243 its reverse (342000301), we get a palindrome (445000544).

The spelling of 103000243 in words is "one hundred three million, two hundred forty-three", and thus it is an aban number.