123045684 has 12 divisors (see below), whose sum is σ = 287106624. Its totient is φ = 41015224.

The previous prime is 123045673. The next prime is 123045697. The reversal of 123045684 is 486540321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5126892 + ... + 5126915.

It is an arithmetic number, because the mean of its divisors is an integer number (23925552).

Almost surely, 2^123045684 is an apocalyptic number.

It is an amenable number.

123045684 is an abundant number, since it is smaller than the sum of its proper divisors (164060940).

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

123045684 is a wasteful number, since it uses less digits than its factorization.

123045684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10253814 (or 10253812 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 123045684 is about 11092.5959089836. The cubic root of 123045684 is about 497.3805462218.

The spelling of 123045684 in words is "one hundred twenty-three million, forty-five thousand, six hundred eighty-four".