123210211963 has 2 divisors, whose sum is σ = 123210211964. Its totient is φ = 123210211962.

The previous prime is 123210211897. The next prime is 123210212003. The reversal of 123210211963 is 369112012321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123210211963 - 2⁹ = 123210211451 is a prime.

It is not a weakly prime, because it can be changed into another prime (123210211363) 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, 61605105981 + 61605105982.

It is an arithmetic number, because the mean of its divisors is an integer number (61605105982).

Almost surely, 2^123210211963 is an apocalyptic number.

123210211963 is a deficient number, since it is larger than the sum of its proper divisors (1).

123210211963 is an equidigital number, since it uses as much as digits as its factorization.

123210211963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 123210211963 in words is "one hundred twenty-three billion, two hundred ten million, two hundred eleven thousand, nine hundred sixty-three".