13100011123 has 4 divisors (see below), whose sum is σ = 13669576848. Its totient is φ = 12530445400.

The previous prime is 13100011121. The next prime is 13100011153. The reversal of 13100011123 is 32111000131.

13100011123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13100011123 - 2¹ = 13100011121 is a prime.

It is a super-2 number, since 2×13100011123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13100011121) 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 3 ways as a sum of consecutive naturals, for example, 284782828 + ... + 284782873.

It is an arithmetic number, because the mean of its divisors is an integer number (3417394212).

Almost surely, 2^13100011123 is an apocalyptic number.

13100011123 is a deficient number, since it is larger than the sum of its proper divisors (569565725).

13100011123 is an equidigital number, since it uses as much as digits as its factorization.

13100011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569565724.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13100011123 its reverse (32111000131), we get a palindrome (45211011254).

The spelling of 13100011123 in words is "thirteen billion, one hundred million, eleven thousand, one hundred twenty-three".