13123230211 has 16 divisors (see below), whose sum is σ = 16154712000. Its totient is φ = 10381258368.

The previous prime is 13123230199. The next prime is 13123230277. The reversal of 13123230211 is 11203232131.

It is not a de Polignac number, because 13123230211 - 2⁵ = 13123230179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13123230011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647865 + ... + 667813.

It is an arithmetic number, because the mean of its divisors is an integer number (1009669500).

Almost surely, 2^13123230211 is an apocalyptic number.

13123230211 is a deficient number, since it is larger than the sum of its proper divisors (3031481789).

13123230211 is a wasteful number, since it uses less digits than its factorization.

13123230211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27198.

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

Adding to 13123230211 its reverse (11203232131), we get a palindrome (24326462342).

The spelling of 13123230211 in words is "thirteen billion, one hundred twenty-three million, two hundred thirty thousand, two hundred eleven".