17152172323 has 16 divisors (see below), whose sum is σ = 20262164832. Its totient is φ = 14313888000.

The previous prime is 17152172281. The next prime is 17152172327. The reversal of 17152172323 is 32327125171.

It is a cyclic number.

It is not a de Polignac number, because 17152172323 - 2²¹ = 17150075171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17152172327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305458 + ... + 357223.

It is an arithmetic number, because the mean of its divisors is an integer number (1266385302).

Almost surely, 2^17152172323 is an apocalyptic number.

17152172323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

17152172323 is a deficient number, since it is larger than the sum of its proper divisors (3109992509).

17152172323 is a wasteful number, since it uses less digits than its factorization.

17152172323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662886.

The product of its digits is 17640, while the sum is 34.

Adding to 17152172323 its reverse (32327125171), we get a palindrome (49479297494).

The spelling of 17152172323 in words is "seventeen billion, one hundred fifty-two million, one hundred seventy-two thousand, three hundred twenty-three".