123461247717 has 6 divisors (see below), whose sum is σ = 178332913382. Its totient is φ = 82307498472.

The previous prime is 123461247713. The next prime is 123461247719. The reversal of 123461247717 is 717742164321.

123461247717 is a `hidden beast` number, since 1 + 23 + 4 + 612 + 4 + 7 + 7 + 1 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 102585043521 + 20876204196 = 320289^2 + 144486^2 .

It is not a de Polignac number, because 123461247717 - 2² = 123461247713 is a prime.

It is a super-3 number, since 3×123461247717³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123461247713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6858958198 + ... + 6858958215.

Almost surely, 2^123461247717 is an apocalyptic number.

It is an amenable number.

123461247717 is a deficient number, since it is larger than the sum of its proper divisors (54871665665).

123461247717 is a wasteful number, since it uses less digits than its factorization.

123461247717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13717916419 (or 13717916416 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The spelling of 123461247717 in words is "one hundred twenty-three billion, four hundred sixty-one million, two hundred forty-seven thousand, seven hundred seventeen".