123123232 has 48 divisors (see below), whose sum is σ = 255068352. Its totient is φ = 58389760.

The previous prime is 123123229. The next prime is 123123277. The reversal of 123123232 is 232321321.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 95778 + ... + 97054.

It is an arithmetic number, because the mean of its divisors is an integer number (5313924).

Almost surely, 2^123123232 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 123123232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127534176).

123123232 is an abundant number, since it is smaller than the sum of its proper divisors (131945120).

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

123123232 is a wasteful number, since it uses less digits than its factorization.

123123232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441 (or 1433 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 123123232 is about 11096.0908431754. The cubic root of 123123232 is about 497.4850135634.

Adding to 123123232 its reverse (232321321), we get a palindrome (355444553).

The spelling of 123123232 in words is "one hundred twenty-three million, one hundred twenty-three thousand, two hundred thirty-two".