1303120023203 has 2 divisors, whose sum is σ = 1303120023204. Its totient is φ = 1303120023202.

The previous prime is 1303120023173. The next prime is 1303120023223. The reversal of 1303120023203 is 3023200213031.

It is an a-pointer prime, because the next prime (1303120023223) can be obtained adding 1303120023203 to its sum of digits (20).

It is a strong prime.

It is an emirp because it is prime and its reverse (3023200213031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1303120023203 - 2³⁰ = 1302046281379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303120023223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651560011601 + 651560011602.

It is an arithmetic number, because the mean of its divisors is an integer number (651560011602).

Almost surely, 2^{1303120023203} is an apocalyptic number.

1303120023203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303120023203 is an equidigital number, since it uses as much as digits as its factorization.

1303120023203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1303120023203 its reverse (3023200213031), we get a palindrome (4326320236234).

The spelling of 1303120023203 in words is "one trillion, three hundred three billion, one hundred twenty million, twenty-three thousand, two hundred three".