13123724163 has 32 divisors (see below), whose sum is σ = 19365599232. Its totient is φ = 7839264000.

The previous prime is 13123724149. The next prime is 13123724221. The reversal of 13123724163 is 36142732131.

It is a happy number.

It is not a de Polignac number, because 13123724163 - 2¹⁸ = 13123462019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (13123724113) 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, 734431 + ... + 752087.

It is an arithmetic number, because the mean of its divisors is an integer number (605174976).

Almost surely, 2^13123724163 is an apocalyptic number.

13123724163 is a deficient number, since it is larger than the sum of its proper divisors (6241875069).

13123724163 is a wasteful number, since it uses less digits than its factorization.

13123724163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17995.

The product of its digits is 18144, while the sum is 33.

The spelling of 13123724163 in words is "thirteen billion, one hundred twenty-three million, seven hundred twenty-four thousand, one hundred sixty-three".