17099242123 has 8 divisors (see below), whose sum is σ = 17823496592. Its totient is φ = 16388783136.

The previous prime is 17099242091. The next prime is 17099242133. The reversal of 17099242123 is 32124299071.

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 17099242123 - 2⁵ = 17099242091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17099242133) 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, 3446340 + ... + 3451297.

It is an arithmetic number, because the mean of its divisors is an integer number (2227937074).

Almost surely, 2^17099242123 is an apocalyptic number.

17099242123 is a deficient number, since it is larger than the sum of its proper divisors (724254469).

17099242123 is an equidigital number, since it uses as much as digits as its factorization.

17099242123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897741.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 17099242123 in words is "seventeen billion, ninety-nine million, two hundred forty-two thousand, one hundred twenty-three".