203413232003 has 8 divisors (see below), whose sum is σ = 208923997872. Its totient is φ = 197903156256.

The previous prime is 203413231993. The next prime is 203413232021. The reversal of 203413232003 is 300232314302.

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 203413232003 - 2²⁶ = 203346123139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203413232003.

It is not an unprimeable number, because it can be changed into a prime (203413231003) 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, 455501 + ... + 783777.

It is an arithmetic number, because the mean of its divisors is an integer number (26115499734).

Almost surely, 2^203413232003 is an apocalyptic number.

203413232003 is a deficient number, since it is larger than the sum of its proper divisors (5510765869).

203413232003 is a wasteful number, since it uses less digits than its factorization.

203413232003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345061.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 203413232003 its reverse (300232314302), we get a palindrome (503645546305).

The spelling of 203413232003 in words is "two hundred three billion, four hundred thirteen million, two hundred thirty-two thousand, three".