123045984 has 36 divisors (see below), whose sum is σ = 349912836. Its totient is φ = 41015232.

The previous prime is 123045941. The next prime is 123045991. The reversal of 123045984 is 489540321.

123045984 is a `hidden beast` number, since 123 + 0 + 459 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213334 + ... + 213909.

It is an arithmetic number, because the mean of its divisors is an integer number (9719801).

Almost surely, 2^123045984 is an apocalyptic number.

It is an amenable number.

123045984 is an abundant number, since it is smaller than the sum of its proper divisors (226866852).

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

123045984 is a wasteful number, since it uses less digits than its factorization.

123045984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427259 (or 427248 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 123045984 is about 11092.6094315089. The cubic root of 123045984 is about 497.3809504457.

The spelling of 123045984 in words is "one hundred twenty-three million, forty-five thousand, nine hundred eighty-four".