123010668 has 72 divisors (see below), whose sum is σ = 345670416. Its totient is φ = 36566400.

The previous prime is 123010661. The next prime is 123010687. The reversal of 123010668 is 866010321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123010661) 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 23 ways as a sum of consecutive naturals, for example, 18058 + ... + 23918.

It is an arithmetic number, because the mean of its divisors is an integer number (4800978).

Almost surely, 2^123010668 is an apocalyptic number.

123010668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123010668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172835208).

123010668 is an abundant number, since it is smaller than the sum of its proper divisors (222659748).

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

123010668 is a wasteful number, since it uses less digits than its factorization.

123010668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935 (or 5930 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 123010668 is about 11091.0174465646. The cubic root of 123010668 is about 497.3333606860. Note that the first 4 decimals are identical.

Adding to 123010668 its reverse (866010321), we get a palindrome (989020989).

The spelling of 123010668 in words is "one hundred twenty-three million, ten thousand, six hundred sixty-eight".