63378071123 has 2 divisors, whose sum is σ = 63378071124. Its totient is φ = 63378071122.

The previous prime is 63378071087. The next prime is 63378071171. The reversal of 63378071123 is 32117087336.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63378071123 - 2⁸ = 63378070867 is a prime.

It is a super-2 number, since 2×63378071123² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63378071173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31689035561 + 31689035562.

It is an arithmetic number, because the mean of its divisors is an integer number (31689035562).

Almost surely, 2^63378071123 is an apocalyptic number.

63378071123 is a deficient number, since it is larger than the sum of its proper divisors (1).

63378071123 is an equidigital number, since it uses as much as digits as its factorization.

63378071123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 63378071123 in words is "sixty-three billion, three hundred seventy-eight million, seventy-one thousand, one hundred twenty-three".