17139023 has 8 divisors (see below), whose sum is σ = 18824400. Its totient is φ = 15474880.

The previous prime is 17138959. The next prime is 17139037. The reversal of 17139023 is 32093171.

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 17139023 - 2⁶ = 17138959 is a prime.

It is a super-2 number, since 2×17139023² = 587492218789058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17138983 and 17139001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17139053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3590 + ... + 6867.

It is an arithmetic number, because the mean of its divisors is an integer number (2353050).

Almost surely, 2^17139023 is an apocalyptic number.

17139023 is a deficient number, since it is larger than the sum of its proper divisors (1685377).

17139023 is a wasteful number, since it uses less digits than its factorization.

17139023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10617.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 17139023 is about 4139.9303134232. The cubic root of 17139023 is about 257.8271732793.

The spelling of 17139023 in words is "seventeen million, one hundred thirty-nine thousand, twenty-three".