123042205164 has 24 divisors (see below), whose sum is σ = 287125144768. Its totient is φ = 41010258960.

The previous prime is 123042205109. The next prime is 123042205193. The reversal of 123042205164 is 461502240321.

It is a super-3 number, since 3×123042205164³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340042 + ... + 601425.

Almost surely, 2^123042205164 is an apocalyptic number.

It is an amenable number.

123042205164 is an abundant number, since it is smaller than the sum of its proper divisors (164082939604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123042205164 is a wasteful number, since it uses less digits than its factorization.

123042205164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952365 (or 952363 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 123042205164 its reverse (461502240321), we get a palindrome (584544445485).

The spelling of 123042205164 in words is "one hundred twenty-three billion, forty-two million, two hundred five thousand, one hundred sixty-four".