123288369 has 8 divisors (see below), whose sum is σ = 174054240. Its totient is φ = 77357376.

The previous prime is 123288337. The next prime is 123288371. The reversal of 123288369 is 963882321.

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

It is not a de Polignac number, because 123288369 - 2⁵ = 123288337 is a prime.

It is a super-2 number, since 2×123288369² = 30400043861360322, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123288369.

It is not an unprimeable number, because it can be changed into a prime (123288769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208659 + ... + 1208760.

It is an arithmetic number, because the mean of its divisors is an integer number (21756780).

Almost surely, 2^123288369 is an apocalyptic number.

It is an amenable number.

123288369 is a deficient number, since it is larger than the sum of its proper divisors (50765871).

123288369 is a wasteful number, since it uses less digits than its factorization.

123288369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417439.

The product of its digits is 124416, while the sum is 42.

The square root of 123288369 is about 11103.5295739688. The cubic root of 123288369 is about 497.7073287182.

The spelling of 123288369 in words is "one hundred twenty-three million, two hundred eighty-eight thousand, three hundred sixty-nine".