123584056 has 32 divisors (see below), whose sum is σ = 249120000. Its totient is φ = 57290976.

The previous prime is 123584053. The next prime is 123584057. The reversal of 123584056 is 650485321.

It is a super-2 number, since 2×123584056² = 30546037794822272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123584053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1506 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (7785000).

Almost surely, 2^123584056 is an apocalyptic number.

It is an amenable number.

123584056 is an abundant number, since it is smaller than the sum of its proper divisors (125535944).

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

123584056 is a wasteful number, since it uses less digits than its factorization.

123584056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17371 (or 17367 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 123584056 is about 11116.8366004003. The cubic root of 123584056 is about 498.1049009405.

The spelling of 123584056 in words is "one hundred twenty-three million, five hundred eighty-four thousand, fifty-six".