123532528 has 60 divisors (see below), whose sum is σ = 293109960. Its totient is φ = 50150016.

The previous prime is 123532501. The next prime is 123532531. The reversal of 123532528 is 825235321.

It is a self number, because there is not a number n which added to its sum of digits gives 123532528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10750 + ... + 19042.

It is an arithmetic number, because the mean of its divisors is an integer number (4885166).

Almost surely, 2^123532528 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 123532528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146554980).

123532528 is an abundant number, since it is smaller than the sum of its proper divisors (169577432).

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

123532528 is a wasteful number, since it uses less digits than its factorization.

123532528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8334 (or 8321 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 123532528 is about 11114.5187930022. The cubic root of 123532528 is about 498.0356635374.

Adding to 123532528 its reverse (825235321), we get a palindrome (948767849).

The spelling of 123532528 in words is "one hundred twenty-three million, five hundred thirty-two thousand, five hundred twenty-eight".