123668468 has 48 divisors (see below), whose sum is σ = 275595264. Its totient is φ = 47151840.

The previous prime is 123668449. The next prime is 123668471. The reversal of 123668468 is 864866321.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10205 + ... + 18747.

It is an arithmetic number, because the mean of its divisors is an integer number (5741568).

Almost surely, 2^123668468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123668468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137797632).

123668468 is an abundant number, since it is smaller than the sum of its proper divisors (151926796).

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

123668468 is a wasteful number, since it uses less digits than its factorization.

123668468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8612 (or 8610 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 123668468 is about 11120.6325359666. The cubic root of 123668468 is about 498.2182825070.

The spelling of 123668468 in words is "one hundred twenty-three million, six hundred sixty-eight thousand, four hundred sixty-eight".