123101608 has 64 divisors (see below), whose sum is σ = 280166400. Its totient is φ = 49533120.

The previous prime is 123101593. The next prime is 123101609. The reversal of 123101608 is 806101321.

It is not an unprimeable number, because it can be changed into a prime (123101609) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 134673 + ... + 135583.

It is an arithmetic number, because the mean of its divisors is an integer number (4377600).

Almost surely, 2^123101608 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 123101608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140083200).

123101608 is an abundant number, since it is smaller than the sum of its proper divisors (157064792).

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

123101608 is a wasteful number, since it uses less digits than its factorization.

123101608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 123101608 is about 11095.1164031749. The cubic root of 123101608 is about 497.4558876066.

Adding to 123101608 its reverse (806101321), we get a palindrome (929202929).

The spelling of 123101608 in words is "one hundred twenty-three million, one hundred one thousand, six hundred eight".