17996727023 has 8 divisors (see below), whose sum is σ = 19806536016. Its totient is φ = 16215875200.

The previous prime is 17996726987. The next prime is 17996727031. The reversal of 17996727023 is 32072769971.

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 17996727023 - 2¹² = 17996722927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17996720023) 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, 7237988 + ... + 7240473.

It is an arithmetic number, because the mean of its divisors is an integer number (2475817002).

Almost surely, 2^17996727023 is an apocalyptic number.

17996727023 is a deficient number, since it is larger than the sum of its proper divisors (1809808993).

17996727023 is a wasteful number, since it uses less digits than its factorization.

17996727023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14478585.

The product of its (nonzero) digits is 2000376, while the sum is 53.

The spelling of 17996727023 in words is "seventeen billion, nine hundred ninety-six million, seven hundred twenty-seven thousand, twenty-three".