123528 has 16 divisors (see below), whose sum is σ = 308880. Its totient is φ = 41168.

The previous prime is 123527. The next prime is 123547. The reversal of 123528 is 825321.

It is not an unprimeable number, because it can be changed into a prime (123527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550 + ... + 2597.

It is an arithmetic number, because the mean of its divisors is an integer number (19305).

2¹²³⁵²⁸ is an apocalyptic number.

It is an amenable number.

123528 is an abundant number, since it is smaller than the sum of its proper divisors (185352).

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

123528 is a wasteful number, since it uses less digits than its factorization.

123528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156 (or 5152 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 123528 is about 351.4655032859. The cubic root of 123528 is about 49.8029578411.

Adding to 123528 its reverse (825321), we get a palindrome (948849).

The spelling of 123528 in words is "one hundred twenty-three thousand, five hundred twenty-eight".