203343412003 has 8 divisors (see below), whose sum is σ = 207696760416. Its totient is φ = 199009200000.

The previous prime is 203343411989. The next prime is 203343412057. The reversal of 203343412003 is 300214343302.

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 203343412003 - 2²⁵ = 203309857571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203343412903) 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, 4762623 + ... + 4805128.

It is an arithmetic number, because the mean of its divisors is an integer number (25962095052).

Almost surely, 2^203343412003 is an apocalyptic number.

203343412003 is a deficient number, since it is larger than the sum of its proper divisors (4353348413).

203343412003 is an equidigital number, since it uses as much as digits as its factorization.

203343412003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9568205.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 203343412003 its reverse (300214343302), we get a palindrome (503557755305).

The spelling of 203343412003 in words is "two hundred three billion, three hundred forty-three million, four hundred twelve thousand, three".