123417 has 16 divisors (see below), whose sum is σ = 209280. Its totient is φ = 70416.

The previous prime is 123407. The next prime is 123419. The reversal of 123417 is 714321.

It is not a de Polignac number, because 123417 - 2⁴ = 123401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123417.

It is not an unprimeable number, because it can be changed into a prime (123419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138 + ... + 515.

It is an arithmetic number, because the mean of its divisors is an integer number (13080).

2¹²³⁴¹⁷ is an apocalyptic number.

It is an amenable number.

123417 is a deficient number, since it is larger than the sum of its proper divisors (85863).

123417 is an equidigital number, since it uses as much as digits as its factorization.

123417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 663 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 123417 is about 351.3075575617. The cubic root of 123417 is about 49.7880360286.

Adding to 123417 its reverse (714321), we get a palindrome (837738).

The spelling of 123417 in words is "one hundred twenty-three thousand, four hundred seventeen", and thus it is an iban number.