123055717 has 4 divisors (see below), whose sum is σ = 124538400. Its totient is φ = 121573036.

The previous prime is 123055711. The next prime is 123055721. The reversal of 123055717 is 717550321.

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 not a de Polignac number, because 123055717 - 2¹⁹ = 122531429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123055711) 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, 741217 + ... + 741382.

It is an arithmetic number, because the mean of its divisors is an integer number (31134600).

Almost surely, 2^123055717 is an apocalyptic number.

It is an amenable number.

123055717 is a deficient number, since it is larger than the sum of its proper divisors (1482683).

123055717 is an equidigital number, since it uses as much as digits as its factorization.

123055717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482682.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 123055717 is about 11093.0481383613. The cubic root of 123055717 is about 497.3940644621.

The spelling of 123055717 in words is "one hundred twenty-three million, fifty-five thousand, seven hundred seventeen".