17149123223 has 2 divisors, whose sum is σ = 17149123224. Its totient is φ = 17149123222.

The previous prime is 17149123207. The next prime is 17149123231. The reversal of 17149123223 is 32232194171.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17149123223 - 2⁴ = 17149123207 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 (17149123253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8574561611 + 8574561612.

It is an arithmetic number, because the mean of its divisors is an integer number (8574561612).

Almost surely, 2^17149123223 is an apocalyptic number.

17149123223 is a deficient number, since it is larger than the sum of its proper divisors (1).

17149123223 is an equidigital number, since it uses as much as digits as its factorization.

17149123223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The spelling of 17149123223 in words is "seventeen billion, one hundred forty-nine million, one hundred twenty-three thousand, two hundred twenty-three".