13115423163 has 32 divisors (see below), whose sum is σ = 18217450240. Its totient is φ = 8386882560.

The previous prime is 13115423131. The next prime is 13115423173. The reversal of 13115423163 is 36132451131.

It is not a de Polignac number, because 13115423163 - 2⁵ = 13115423131 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 13115423163.

It is not an unprimeable number, because it can be changed into a prime (13115423173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2266608 + ... + 2272386.

It is an arithmetic number, because the mean of its divisors is an integer number (569295320).

Almost surely, 2^13115423163 is an apocalyptic number.

13115423163 is a deficient number, since it is larger than the sum of its proper divisors (5102027077).

13115423163 is a wasteful number, since it uses less digits than its factorization.

13115423163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139.

The product of its digits is 6480, while the sum is 30.

Adding to 13115423163 its reverse (36132451131), we get a palindrome (49247874294).

The spelling of 13115423163 in words is "thirteen billion, one hundred fifteen million, four hundred twenty-three thousand, one hundred sixty-three".