1203023130103 has 4 divisors (see below), whose sum is σ = 1203222081600. Its totient is φ = 1202824178608.

The previous prime is 1203023130053. The next prime is 1203023130121. The reversal of 1203023130103 is 3010313203021.

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-1203023130103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203023130193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99466678 + ... + 99478771.

It is an arithmetic number, because the mean of its divisors is an integer number (300805520400).

Almost surely, 2^{1203023130103} is an apocalyptic number.

1203023130103 is a deficient number, since it is larger than the sum of its proper divisors (198951497).

1203023130103 is an equidigital number, since it uses as much as digits as its factorization.

1203023130103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198951496.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1203023130103 its reverse (3010313203021), we get a palindrome (4213336333124).

The spelling of 1203023130103 in words is "one trillion, two hundred three billion, twenty-three million, one hundred thirty thousand, one hundred three".