1232203133503 has 4 divisors (see below), whose sum is σ = 1232232108520. Its totient is φ = 1232174158488.

The previous prime is 1232203133461. The next prime is 1232203133521. The reversal of 1232203133503 is 3053313022321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232203133503 is a prime.

It is a super-2 number, since 2×1232203133503² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232203133563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14423625 + ... + 14508802.

It is an arithmetic number, because the mean of its divisors is an integer number (308058027130).

Almost surely, 2^{1232203133503} is an apocalyptic number.

1232203133503 is a deficient number, since it is larger than the sum of its proper divisors (28975017).

1232203133503 is an equidigital number, since it uses as much as digits as its factorization.

1232203133503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28975016.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 1232203133503 its reverse (3053313022321), we get a palindrome (4285516155824).

The spelling of 1232203133503 in words is "one trillion, two hundred thirty-two billion, two hundred three million, one hundred thirty-three thousand, five hundred three".