123288375065 has 32 divisors (see below), whose sum is σ = 152812998144. Its totient is φ = 95417706240.

The previous prime is 123288375031. The next prime is 123288375079. The reversal of 123288375065 is 560573882321.

It is not a de Polignac number, because 123288375065 - 2²⁴ = 123271597849 is a prime.

It is a super-2 number, since 2×123288375065² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44555312 + ... + 44558078.

It is an arithmetic number, because the mean of its divisors is an integer number (4775406192).

Almost surely, 2^123288375065 is an apocalyptic number.

It is an amenable number.

123288375065 is a deficient number, since it is larger than the sum of its proper divisors (29524623079).

123288375065 is a wasteful number, since it uses less digits than its factorization.

123288375065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 123288375065 in words is "one hundred twenty-three billion, two hundred eighty-eight million, three hundred seventy-five thousand, sixty-five".