123112116164 has 12 divisors (see below), whose sum is σ = 218041941264. Its totient is φ = 60814418664.

The previous prime is 123112116163. The next prime is 123112116209. The reversal of 123112116164 is 461611211321.

It is not an unprimeable number, because it can be changed into a prime (123112116161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185409482 + ... + 185410145.

It is an arithmetic number, because the mean of its divisors is an integer number (18170161772).

Almost surely, 2^123112116164 is an apocalyptic number.

It is an amenable number.

123112116164 is a deficient number, since it is larger than the sum of its proper divisors (94929825100).

123112116164 is a wasteful number, since it uses less digits than its factorization.

123112116164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370819714 (or 370819712 counting only the distinct ones).

The product of its digits is 1728, while the sum is 29.

Adding to 123112116164 its reverse (461611211321), we get a palindrome (584723327485).

The spelling of 123112116164 in words is "one hundred twenty-three billion, one hundred twelve million, one hundred sixteen thousand, one hundred sixty-four".