1303304120423 has 2 divisors, whose sum is σ = 1303304120424. Its totient is φ = 1303304120422.

The previous prime is 1303304120413. The next prime is 1303304120449. The reversal of 1303304120423 is 3240214033031.

It is an a-pointer prime, because the next prime (1303304120449) can be obtained adding 1303304120423 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (3240214033031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1303304120423 - 2¹² = 1303304116327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1303304120392 and 1303304120401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303304120413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651652060211 + 651652060212.

It is an arithmetic number, because the mean of its divisors is an integer number (651652060212).

Almost surely, 2^{1303304120423} is an apocalyptic number.

1303304120423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303304120423 is an equidigital number, since it uses as much as digits as its factorization.

1303304120423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1303304120423 its reverse (3240214033031), we get a palindrome (4543518153454).

The spelling of 1303304120423 in words is "one trillion, three hundred three billion, three hundred four million, one hundred twenty thousand, four hundred twenty-three".