123584055 has 32 divisors (see below), whose sum is σ = 229824000. Its totient is φ = 55535232.

The previous prime is 123584053. The next prime is 123584057. The reversal of 123584055 is 550485321.

It is an interprime number because it is at equal distance from previous prime (123584053) and next prime (123584057).

It is not a de Polignac number, because 123584055 - 2¹ = 123584053 is a prime.

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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3780 + ... + 16169.

It is an arithmetic number, because the mean of its divisors is an integer number (7182000).

Almost surely, 2^123584055 is an apocalyptic number.

123584055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123584055 is a deficient number, since it is larger than the sum of its proper divisors (106239945).

123584055 is a wasteful number, since it uses less digits than its factorization.

123584055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20023.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 123584055 is about 11116.8365554235. The cubic root of 123584055 is about 498.1048995970.

The spelling of 123584055 in words is "one hundred twenty-three million, five hundred eighty-four thousand, fifty-five".