123000518011 has 8 divisors (see below), whose sum is σ = 141963823584. Its totient is φ = 104385163200.

The previous prime is 123000517993. The next prime is 123000518051. The reversal of 123000518011 is 110815000321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123000518011 - 2²⁵ = 122966963579 is a prime.

It is a super-2 number, since 2×123000518011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123000518051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86986930 + ... + 86988343.

It is an arithmetic number, because the mean of its divisors is an integer number (17745477948).

Almost surely, 2^123000518011 is an apocalyptic number.

123000518011 is a deficient number, since it is larger than the sum of its proper divisors (18963305573).

123000518011 is a wasteful number, since it uses less digits than its factorization.

123000518011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173975381.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 123000518011 its reverse (110815000321), we get a palindrome (233815518332).

The spelling of 123000518011 in words is "one hundred twenty-three billion, five hundred eighteen thousand, eleven".