243000103 has 8 divisors (see below), whose sum is σ = 253186560. Its totient is φ = 232960440.

The previous prime is 243000067. The next prime is 243000151. The reversal of 243000103 is 301000342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243000103 - 2⁹ = 242999591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243000203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33313 + ... + 39946.

It is an arithmetic number, because the mean of its divisors is an integer number (31648320).

Almost surely, 2^243000103 is an apocalyptic number.

243000103 is a deficient number, since it is larger than the sum of its proper divisors (10186457).

243000103 is a wasteful number, since it uses less digits than its factorization.

243000103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73397.

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

The square root of 243000103 is about 15588.4605718461. The cubic root of 243000103 is about 624.0252350837.

Adding to 243000103 its reverse (301000342), we get a palindrome (544000445).

The spelling of 243000103 in words is "two hundred forty-three million, one hundred three", and thus it is an aban number.