13017423 has 4 divisors (see below), whose sum is σ = 17356568. Its totient is φ = 8678280.

The previous prime is 13017421. The next prime is 13017437. The reversal of 13017423 is 32471031.

13017423 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 13017423 - 2¹ = 13017421 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 13017423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13017421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2169568 + ... + 2169573.

It is an arithmetic number, because the mean of its divisors is an integer number (4339142).

Almost surely, 2^13017423 is an apocalyptic number.

13017423 is a deficient number, since it is larger than the sum of its proper divisors (4339145).

13017423 is an equidigital number, since it uses as much as digits as its factorization.

13017423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339144.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13017423 is about 3607.9666018410. The cubic root of 13017423 is about 235.2384662490.

Adding to 13017423 its reverse (32471031), we get a palindrome (45488454).

The spelling of 13017423 in words is "thirteen million, seventeen thousand, four hundred twenty-three".