17157923063 has 2 divisors, whose sum is σ = 17157923064. Its totient is φ = 17157923062.

The previous prime is 17157923053. The next prime is 17157923093. The reversal of 17157923063 is 36032975171.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17157923063 - 2⁸ = 17157922807 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17157923023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8578961531 + 8578961532.

It is an arithmetic number, because the mean of its divisors is an integer number (8578961532).

Almost surely, 2^17157923063 is an apocalyptic number.

17157923063 is a deficient number, since it is larger than the sum of its proper divisors (1).

17157923063 is an equidigital number, since it uses as much as digits as its factorization.

17157923063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 44.

The spelling of 17157923063 in words is "seventeen billion, one hundred fifty-seven million, nine hundred twenty-three thousand, sixty-three".