211014400123 has 16 divisors (see below), whose sum is σ = 218299944960. Its totient is φ = 203759244000.

The previous prime is 211014400031. The next prime is 211014400127. The reversal of 211014400123 is 321004410112.

It is a cyclic number.

It is not a de Polignac number, because 211014400123 - 2⁹ = 211014399611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211014400123.

It is not an unprimeable number, because it can be changed into a prime (211014400127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39431898 + ... + 39437248.

It is an arithmetic number, because the mean of its divisors is an integer number (13643746560).

Almost surely, 2^211014400123 is an apocalyptic number.

211014400123 is a deficient number, since it is larger than the sum of its proper divisors (7285544837).

211014400123 is a wasteful number, since it uses less digits than its factorization.

211014400123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7938.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 211014400123 its reverse (321004410112), we get a palindrome (532018810235).

The spelling of 211014400123 in words is "two hundred eleven billion, fourteen million, four hundred thousand, one hundred twenty-three".