17255418123 has 4 divisors (see below), whose sum is σ = 23007224168. Its totient is φ = 11503612080.

The previous prime is 17255418107. The next prime is 17255418197. The reversal of 17255418123 is 32181455271.

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

It is not a de Polignac number, because 17255418123 - 2⁴ = 17255418107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17255418223) 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, 2875903018 + ... + 2875903023.

It is an arithmetic number, because the mean of its divisors is an integer number (5751806042).

Almost surely, 2^17255418123 is an apocalyptic number.

17255418123 is a deficient number, since it is larger than the sum of its proper divisors (5751806045).

17255418123 is an equidigital number, since it uses as much as digits as its factorization.

17255418123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751806044.

The product of its digits is 67200, while the sum is 39.

The spelling of 17255418123 in words is "seventeen billion, two hundred fifty-five million, four hundred eighteen thousand, one hundred twenty-three".