123050665369 has 6 divisors (see below), whose sum is σ = 124759387086. Its totient is φ = 121365034560.

The previous prime is 123050665357. The next prime is 123050665421. The reversal of 123050665369 is 963566050321.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 50265640000 + 72785025369 = 224200^2 + 269787^2 .

It is not a de Polignac number, because 123050665369 - 2⁵ = 123050665337 is a prime.

It is a super-2 number, since 2×123050665369² (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 (123050666369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11540052 + ... + 11550709.

It is an arithmetic number, because the mean of its divisors is an integer number (20793231181).

Almost surely, 2^123050665369 is an apocalyptic number.

It is an amenable number.

123050665369 is a deficient number, since it is larger than the sum of its proper divisors (1708721717).

123050665369 is an frugal number, since it uses more digits than its factorization.

123050665369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23090907 (or 23090834 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 46.

The spelling of 123050665369 in words is "one hundred twenty-three billion, fifty million, six hundred sixty-five thousand, three hundred sixty-nine".