123222000165 has 32 divisors (see below), whose sum is σ = 218024701056. Its totient is φ = 58925583360.

The previous prime is 123222000163. The next prime is 123222000193. The reversal of 123222000165 is 561000222321.

It is not a de Polignac number, because 123222000165 - 2¹ = 123222000163 is a prime.

It is a super-2 number, since 2×123222000165² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123222000163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5103024 + ... + 5127113.

It is an arithmetic number, because the mean of its divisors is an integer number (6813271908).

Almost surely, 2^123222000165 is an apocalyptic number.

123222000165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123222000165 is a deficient number, since it is larger than the sum of its proper divisors (94802700891).

123222000165 is a wasteful number, since it uses less digits than its factorization.

123222000165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10230229.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 123222000165 its reverse (561000222321), we get a palindrome (684222222486).

The spelling of 123222000165 in words is "one hundred twenty-three billion, two hundred twenty-two million, one hundred sixty-five", and thus it is an aban number.