123210421063 has 2 divisors, whose sum is σ = 123210421064. Its totient is φ = 123210421062.

The previous prime is 123210421027. The next prime is 123210421099. The reversal of 123210421063 is 360124012321.

It is a balanced prime because it is at equal distance from previous prime (123210421027) and next prime (123210421099).

It is a cyclic number.

It is not a de Polignac number, because 123210421063 - 2⁹ = 123210420551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123210421013) 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, 61605210531 + 61605210532.

It is an arithmetic number, because the mean of its divisors is an integer number (61605210532).

Almost surely, 2^123210421063 is an apocalyptic number.

123210421063 is a deficient number, since it is larger than the sum of its proper divisors (1).

123210421063 is an equidigital number, since it uses as much as digits as its factorization.

123210421063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123210421063 its reverse (360124012321), we get a palindrome (483334433384).

The spelling of 123210421063 in words is "one hundred twenty-three billion, two hundred ten million, four hundred twenty-one thousand, sixty-three".