123005164 has 12 divisors (see below), whose sum is σ = 226588600. Its totient is φ = 58265568.

The previous prime is 123005161. The next prime is 123005191. The reversal of 123005164 is 461500321.

It is not an unprimeable number, because it can be changed into a prime (123005161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809169 + ... + 809320.

Almost surely, 2^123005164 is an apocalyptic number.

It is an amenable number.

123005164 is a deficient number, since it is larger than the sum of its proper divisors (103583436).

123005164 is a wasteful number, since it uses less digits than its factorization.

123005164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618512 (or 1618510 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 123005164 is about 11090.7693150656. The cubic root of 123005164 is about 497.3259429997.

Adding to 123005164 its reverse (461500321), we get a palindrome (584505485).

The spelling of 123005164 in words is "one hundred twenty-three million, five thousand, one hundred sixty-four".