103800243 has 4 divisors (see below), whose sum is σ = 138400328. Its totient is φ = 69200160.

The previous prime is 103800239. The next prime is 103800247. The reversal of 103800243 is 342008301.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (103800239) and next prime (103800247).

It is not a de Polignac number, because 103800243 - 2² = 103800239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103800247) 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, 17300038 + ... + 17300043.

It is an arithmetic number, because the mean of its divisors is an integer number (34600082).

Almost surely, 2^103800243 is an apocalyptic number.

103800243 is a deficient number, since it is larger than the sum of its proper divisors (34600085).

103800243 is an equidigital number, since it uses as much as digits as its factorization.

103800243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34600084.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 103800243 is about 10188.2404270806. The cubic root of 103800243 is about 469.9656576688.

Adding to 103800243 its reverse (342008301), we get a palindrome (445808544).

The spelling of 103800243 in words is "one hundred three million, eight hundred thousand, two hundred forty-three".