123084678 has 16 divisors (see below), whose sum is σ = 247645440. Its totient is φ = 40782216.

The previous prime is 123084649. The next prime is 123084683. The reversal of 123084678 is 876480321.

It is a congruent number.

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, 60418 + ... + 62421.

It is an arithmetic number, because the mean of its divisors is an integer number (15477840).

Almost surely, 2^123084678 is an apocalyptic number.

123084678 is an abundant number, since it is smaller than the sum of its proper divisors (124560762).

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

123084678 is a wasteful number, since it uses less digits than its factorization.

123084678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123011.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 123084678 is about 11094.3534286591. The cubic root of 123084678 is about 497.4330817462.

The spelling of 123084678 in words is "one hundred twenty-three million, eighty-four thousand, six hundred seventy-eight".