123032106 has 48 divisors (see below), whose sum is σ = 292818240. Its totient is φ = 37160640.

The previous prime is 123032101. The next prime is 123032153. The reversal of 123032106 is 601230321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (123032101) 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 23 ways as a sum of consecutive naturals, for example, 46 + ... + 15686.

It is an arithmetic number, because the mean of its divisors is an integer number (6100380).

Almost surely, 2^123032106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123032106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146409120).

123032106 is an abundant number, since it is smaller than the sum of its proper divisors (169786134).

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

123032106 is a wasteful number, since it uses less digits than its factorization.

123032106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15691 (or 15688 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 123032106 is about 11091.9838622313. The cubic root of 123032106 is about 497.3622503573.

Adding to 123032106 its reverse (601230321), we get a palindrome (724262427).

The spelling of 123032106 in words is "one hundred twenty-three million, thirty-two thousand, one hundred six".