123422717 has 4 divisors (see below), whose sum is σ = 134642976. Its totient is φ = 112202460.

The previous prime is 123422711. The next prime is 123422723. The reversal of 123422717 is 717224321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (123422711) and next prime (123422723).

It is a cyclic number.

It is not a de Polignac number, because 123422717 - 2⁴ = 123422701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123422717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123422711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5610113 + ... + 5610134.

It is an arithmetic number, because the mean of its divisors is an integer number (33660744).

Almost surely, 2^123422717 is an apocalyptic number.

It is an amenable number.

123422717 is a deficient number, since it is larger than the sum of its proper divisors (11220259).

123422717 is a wasteful number, since it uses less digits than its factorization.

123422717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11220258.

The product of its digits is 4704, while the sum is 29.

The square root of 123422717 is about 11109.5777147469. The cubic root of 123422717 is about 497.8880478765. Note that the first 3 decimals are identical.

The spelling of 123422717 in words is "one hundred twenty-three million, four hundred twenty-two thousand, seven hundred seventeen".