211043414606923 has 2 divisors, whose sum is σ = 211043414606924. Its totient is φ = 211043414606922.

The previous prime is 211043414606903. The next prime is 211043414606989. The reversal of 211043414606923 is 329606414340112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211043414606923 is a prime.

It is not a weakly prime, because it can be changed into another prime (211043414606903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105521707303461 + 105521707303462.

It is an arithmetic number, because the mean of its divisors is an integer number (105521707303462).

Almost surely, 2^{211043414606923} is an apocalyptic number.

211043414606923 is a deficient number, since it is larger than the sum of its proper divisors (1).

211043414606923 is an equidigital number, since it uses as much as digits as its factorization.

211043414606923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 211043414606923 in words is "two hundred eleven trillion, forty-three billion, four hundred fourteen million, six hundred six thousand, nine hundred twenty-three".