13123330211 has 4 divisors (see below), whose sum is σ = 13123583424. Its totient is φ = 13123077000.

The previous prime is 13123330201. The next prime is 13123330249. The reversal of 13123330211 is 11203332131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13123330211 - 2²² = 13119135907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123330201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17555 + ... + 162956.

It is an arithmetic number, because the mean of its divisors is an integer number (3280895856).

Almost surely, 2^13123330211 is an apocalyptic number.

13123330211 is a deficient number, since it is larger than the sum of its proper divisors (253213).

13123330211 is an equidigital number, since it uses as much as digits as its factorization.

13123330211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253212.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13123330211 its reverse (11203332131), we get a palindrome (24326662342).

The spelling of 13123330211 in words is "thirteen billion, one hundred twenty-three million, three hundred thirty thousand, two hundred eleven".