17123997063 has 4 divisors (see below), whose sum is σ = 22831996088. Its totient is φ = 11415998040.

The previous prime is 17123997041. The next prime is 17123997067. The reversal of 17123997063 is 36079932171.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 17123997063 - 2⁹ = 17123996551 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 (17123997067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2853999508 + ... + 2853999513.

It is an arithmetic number, because the mean of its divisors is an integer number (5707999022).

Almost surely, 2^17123997063 is an apocalyptic number.

17123997063 is a deficient number, since it is larger than the sum of its proper divisors (5707999025).

17123997063 is an equidigital number, since it uses as much as digits as its factorization.

17123997063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707999024.

The product of its (nonzero) digits is 428652, while the sum is 48.

The spelling of 17123997063 in words is "seventeen billion, one hundred twenty-three million, nine hundred ninety-seven thousand, sixty-three".