211413100123 has 2 divisors, whose sum is σ = 211413100124. Its totient is φ = 211413100122.

The previous prime is 211413100109. The next prime is 211413100163. The reversal of 211413100123 is 321001314112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211413100123 - 2¹³ = 211413091931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211413100123.

It is not a weakly prime, because it can be changed into another prime (211413100163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105706550061 + 105706550062.

It is an arithmetic number, because the mean of its divisors is an integer number (105706550062).

Almost surely, 2^211413100123 is an apocalyptic number.

211413100123 is a deficient number, since it is larger than the sum of its proper divisors (1).

211413100123 is an equidigital number, since it uses as much as digits as its factorization.

211413100123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211413100123 its reverse (321001314112), we get a palindrome (532414414235).

The spelling of 211413100123 in words is "two hundred eleven billion, four hundred thirteen million, one hundred thousand, one hundred twenty-three".