2003513232403 has 2 divisors, whose sum is σ = 2003513232404. Its totient is φ = 2003513232402.

The previous prime is 2003513232353. The next prime is 2003513232467. The reversal of 2003513232403 is 3042323153002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2003513232403 - 2¹³ = 2003513224211 is a prime.

It is not a weakly prime, because it can be changed into another prime (2003513235403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001756616201 + 1001756616202.

It is an arithmetic number, because the mean of its divisors is an integer number (1001756616202).

Almost surely, 2^{2003513232403} is an apocalyptic number.

2003513232403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003513232403 is an equidigital number, since it uses as much as digits as its factorization.

2003513232403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 2003513232403 its reverse (3042323153002), we get a palindrome (5045836385405).

The spelling of 2003513232403 in words is "two trillion, three billion, five hundred thirteen million, two hundred thirty-two thousand, four hundred three".