123144032 has 24 divisors (see below), whose sum is σ = 264480552. Its totient is φ = 55974400.

The previous prime is 123144013. The next prime is 123144037. The reversal of 123144032 is 230441321.

It is a junction number, because it is equal to n+sod(n) for n = 123143995 and 123144013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123144037) 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 3 ways as a sum of consecutive naturals, for example, 174569 + ... + 175272.

It is an arithmetic number, because the mean of its divisors is an integer number (11020023).

Almost surely, 2^123144032 is an apocalyptic number.

It is an amenable number.

123144032 is an abundant number, since it is smaller than the sum of its proper divisors (141336520).

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

123144032 is a wasteful number, since it uses less digits than its factorization.

123144032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349862 (or 349854 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 123144032 is about 11097.0280706142. The cubic root of 123144032 is about 497.5130264343.

Adding to 123144032 its reverse (230441321), we get a palindrome (353585353).

The spelling of 123144032 in words is "one hundred twenty-three million, one hundred forty-four thousand, thirty-two".