123132854718617 has 2 divisors, whose sum is σ = 123132854718618. Its totient is φ = 123132854718616.

The previous prime is 123132854718529. The next prime is 123132854718647. The reversal of 123132854718617 is 716817458231321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65520671226256 + 57612183492361 = 8094484^2 + 7590269^2 .

It is a cyclic number.

It is not a de Polignac number, because 123132854718617 - 2¹⁴ = 123132854702233 is a prime.

It is a super-3 number, since 3×123132854718617³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (123132854718647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61566427359308 + 61566427359309.

It is an arithmetic number, because the mean of its divisors is an integer number (61566427359309).

Almost surely, 2^{123132854718617} is an apocalyptic number.

It is an amenable number.

123132854718617 is a deficient number, since it is larger than the sum of its proper divisors (1).

123132854718617 is an equidigital number, since it uses as much as digits as its factorization.

123132854718617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13547520, while the sum is 59.

The spelling of 123132854718617 in words is "one hundred twenty-three trillion, one hundred thirty-two billion, eight hundred fifty-four million, seven hundred eighteen thousand, six hundred seventeen".