1300778959423 has 2 divisors, whose sum is σ = 1300778959424. Its totient is φ = 1300778959422.

The previous prime is 1300778959421. The next prime is 1300778959427. The reversal of 1300778959423 is 3249598770031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1300778959423 - 2¹ = 1300778959421 is a prime.

Together with 1300778959421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300778959421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650389479711 + 650389479712.

It is an arithmetic number, because the mean of its divisors is an integer number (650389479712).

Almost surely, 2^{1300778959423} is an apocalyptic number.

1300778959423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300778959423 is an equidigital number, since it uses as much as digits as its factorization.

1300778959423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 1300778959423 in words is "one trillion, three hundred billion, seven hundred seventy-eight million, nine hundred fifty-nine thousand, four hundred twenty-three".