13122323111 has 8 divisors (see below), whose sum is σ = 13389355824. Its totient is φ = 12856965120.

The previous prime is 13122323107. The next prime is 13122323117. The reversal of 13122323111 is 11132322131.

It is a happy number.

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

It is not a de Polignac number, because 13122323111 - 2² = 13122323107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122323117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402845 + ... + 434198.

It is an arithmetic number, because the mean of its divisors is an integer number (1673669478).

Almost surely, 2^13122323111 is an apocalyptic number.

13122323111 is a deficient number, since it is larger than the sum of its proper divisors (267032713).

13122323111 is an equidigital number, since it uses as much as digits as its factorization.

13122323111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837361.

The product of its digits is 216, while the sum is 20.

Adding to 13122323111 its reverse (11132322131), we get a palindrome (24254645242).

The spelling of 13122323111 in words is "thirteen billion, one hundred twenty-two million, three hundred twenty-three thousand, one hundred eleven".