101427912778523 has 2 divisors, whose sum is σ = 101427912778524. Its totient is φ = 101427912778522.

The previous prime is 101427912778513. The next prime is 101427912778529. The reversal of 101427912778523 is 325877219724101.

It is a strong prime.

It is an emirp because it is prime and its reverse (325877219724101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101427912778523 - 2⁴⁴ = 83835726734107 is a prime.

It is not a weakly prime, because it can be changed into another prime (101427912778529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50713956389261 + 50713956389262.

It is an arithmetic number, because the mean of its divisors is an integer number (50713956389262).

Almost surely, 2^{101427912778523} is an apocalyptic number.

101427912778523 is a deficient number, since it is larger than the sum of its proper divisors (1).

101427912778523 is an equidigital number, since it uses as much as digits as its factorization.

101427912778523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11854080, while the sum is 59.

The spelling of 101427912778523 in words is "one hundred one trillion, four hundred twenty-seven billion, nine hundred twelve million, seven hundred seventy-eight thousand, five hundred twenty-three".