123478648 has 16 divisors (see below), whose sum is σ = 233214480. Its totient is φ = 61288128.

The previous prime is 123478637. The next prime is 123478687. The reversal of 123478648 is 846874321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55236 + ... + 57427.

It is an arithmetic number, because the mean of its divisors is an integer number (14575905).

Almost surely, 2^123478648 is an apocalyptic number.

It is an amenable number.

123478648 is a deficient number, since it is larger than the sum of its proper divisors (109735832).

123478648 is a wasteful number, since it uses less digits than its factorization.

123478648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112806 (or 112802 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 123478648 is about 11112.0946720229. The cubic root of 123478648 is about 497.9632451920.

The spelling of 123478648 in words is "one hundred twenty-three million, four hundred seventy-eight thousand, six hundred forty-eight".