13111420123 has 8 divisors (see below), whose sum is σ = 13255164000. Its totient is φ = 12967992768.

The previous prime is 13111420099. The next prime is 13111420129. The reversal of 13111420123 is 32102411131.

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

It is a cyclic number.

It is not a de Polignac number, because 13111420123 - 2³³ = 4521485531 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 13111420123.

It is not an unprimeable number, because it can be changed into a prime (13111420129) 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, 4653 + ... + 162001.

It is an arithmetic number, because the mean of its divisors is an integer number (1656895500).

Almost surely, 2^13111420123 is an apocalyptic number.

13111420123 is a deficient number, since it is larger than the sum of its proper divisors (143743877).

13111420123 is a wasteful number, since it uses less digits than its factorization.

13111420123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158261.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13111420123 its reverse (32102411131), we get a palindrome (45213831254).

The spelling of 13111420123 in words is "thirteen billion, one hundred eleven million, four hundred twenty thousand, one hundred twenty-three".