100444455123563 has 2 divisors, whose sum is σ = 100444455123564. Its totient is φ = 100444455123562.

The previous prime is 100444455123443. The next prime is 100444455123569. The reversal of 100444455123563 is 365321554444001.

It is a strong prime.

It is an emirp because it is prime and its reverse (365321554444001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100444455123563 - 2²⁴ = 100444438346347 is a prime.

It is a super-2 number, since 2×100444455123563² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100444455123569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50222227561781 + 50222227561782.

It is an arithmetic number, because the mean of its divisors is an integer number (50222227561782).

Almost surely, 2^{100444455123563} is an apocalyptic number.

100444455123563 is a deficient number, since it is larger than the sum of its proper divisors (1).

100444455123563 is an equidigital number, since it uses as much as digits as its factorization.

100444455123563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 100444455123563 in words is "one hundred trillion, four hundred forty-four billion, four hundred fifty-five million, one hundred twenty-three thousand, five hundred sixty-three".