211013230123 has 8 divisors (see below), whose sum is σ = 211286810592. Its totient is φ = 210739715136.

The previous prime is 211013230093. The next prime is 211013230151. The reversal of 211013230123 is 321032310112.

211013230123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211013230123 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 211013230123.

It is not an unprimeable number, because it can be changed into a prime (211013230163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11240461 + ... + 11259217.

It is an arithmetic number, because the mean of its divisors is an integer number (26410851324).

Almost surely, 2^211013230123 is an apocalyptic number.

211013230123 is a deficient number, since it is larger than the sum of its proper divisors (273580469).

211013230123 is a wasteful number, since it uses less digits than its factorization.

211013230123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32741.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211013230123 its reverse (321032310112), we get a palindrome (532045540235).

The spelling of 211013230123 in words is "two hundred eleven billion, thirteen million, two hundred thirty thousand, one hundred twenty-three".