1298798317423 has 2 divisors, whose sum is σ = 1298798317424. Its totient is φ = 1298798317422.

The previous prime is 1298798317373. The next prime is 1298798317447. The reversal of 1298798317423 is 3247138978921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1298798317423 - 2²⁵ = 1298764762991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1298798317483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649399158711 + 649399158712.

It is an arithmetic number, because the mean of its divisors is an integer number (649399158712).

Almost surely, 2^{1298798317423} is an apocalyptic number.

1298798317423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298798317423 is an equidigital number, since it uses as much as digits as its factorization.

1298798317423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36578304, while the sum is 64.

The spelling of 1298798317423 in words is "one trillion, two hundred ninety-eight billion, seven hundred ninety-eight million, three hundred seventeen thousand, four hundred twenty-three".