13117423 has 8 divisors (see below), whose sum is σ = 14420736. Its totient is φ = 11832600.

The previous prime is 13117409. The next prime is 13117427. The reversal of 13117423 is 32471131.

13117423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 13117423 - 2²¹ = 11020271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13117394 and 13117403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13117427) 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, 3111 + ... + 5992.

It is an arithmetic number, because the mean of its divisors is an integer number (1802592).

Almost surely, 2^13117423 is an apocalyptic number.

13117423 is a deficient number, since it is larger than the sum of its proper divisors (1303313).

13117423 is a wasteful number, since it uses less digits than its factorization.

13117423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9245.

The product of its digits is 504, while the sum is 22.

The square root of 13117423 is about 3621.7983102321. The cubic root of 13117423 is about 235.8392985737.

Adding to 13117423 its reverse (32471131), we get a palindrome (45588554).

The spelling of 13117423 in words is "thirteen million, one hundred seventeen thousand, four hundred twenty-three".