63618220123 has 2 divisors, whose sum is σ = 63618220124. Its totient is φ = 63618220122.

The previous prime is 63618220121. The next prime is 63618220139. The reversal of 63618220123 is 32102281636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63618220123 - 2¹ = 63618220121 is a prime.

It is a super-3 number, since 3×63618220123³ (a number of 33 digits) contains 333 as substring.

Together with 63618220121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63618220121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31809110061 + 31809110062.

It is an arithmetic number, because the mean of its divisors is an integer number (31809110062).

Almost surely, 2^63618220123 is an apocalyptic number.

63618220123 is a deficient number, since it is larger than the sum of its proper divisors (1).

63618220123 is an equidigital number, since it uses as much as digits as its factorization.

63618220123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 63618220123 in words is "sixty-three billion, six hundred eighteen million, two hundred twenty thousand, one hundred twenty-three".