203243412115 has 8 divisors (see below), whose sum is σ = 247890325968. Its totient is φ = 159929242080.

The previous prime is 203243412077. The next prime is 203243412143. The reversal of 203243412115 is 511214342302.

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

It is not a de Polignac number, because 203243412115 - 2¹⁵ = 203243379347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333185617 + ... + 333186226.

It is an arithmetic number, because the mean of its divisors is an integer number (30986290746).

Almost surely, 2^203243412115 is an apocalyptic number.

203243412115 is a deficient number, since it is larger than the sum of its proper divisors (44646913853).

203243412115 is an equidigital number, since it uses as much as digits as its factorization.

203243412115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666371909.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 203243412115 its reverse (511214342302), we get a palindrome (714457754417).

The spelling of 203243412115 in words is "two hundred three billion, two hundred forty-three million, four hundred twelve thousand, one hundred fifteen".