123326617 has 4 divisors (see below), whose sum is σ = 123413760. Its totient is φ = 123239476.

The previous prime is 123326573. The next prime is 123326641. The reversal of 123326617 is 716623321.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123326617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123326657) 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, 41413 + ... + 44290.

It is an arithmetic number, because the mean of its divisors is an integer number (30853440).

Almost surely, 2^123326617 is an apocalyptic number.

It is an amenable number.

123326617 is a deficient number, since it is larger than the sum of its proper divisors (87143).

123326617 is an equidigital number, since it uses as much as digits as its factorization.

123326617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87142.

The product of its digits is 9072, while the sum is 31.

The square root of 123326617 is about 11105.2517756240. The cubic root of 123326617 is about 497.7587916471.

Adding to 123326617 its reverse (716623321), we get a palindrome (839949938).

The spelling of 123326617 in words is "one hundred twenty-three million, three hundred twenty-six thousand, six hundred seventeen".