123668012 has 48 divisors (see below), whose sum is σ = 239410080. Its totient is φ = 55546368.

The previous prime is 123668003. The next prime is 123668029. The reversal of 123668012 is 210866321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530648 + ... + 530880.

It is an arithmetic number, because the mean of its divisors is an integer number (4987710).

Almost surely, 2^123668012 is an apocalyptic number.

It is an amenable number.

123668012 is a deficient number, since it is larger than the sum of its proper divisors (115742068).

123668012 is a wasteful number, since it uses less digits than its factorization.

123668012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 123668012 is about 11120.6120335169. The cubic root of 123668012 is about 498.2176701498.

The spelling of 123668012 in words is "one hundred twenty-three million, six hundred sixty-eight thousand, twelve".