23528 has 16 divisors (see below), whose sum is σ = 46980. Its totient is φ = 11008.
The previous prime is 23509. The next prime is 23531. The reversal of 23528 is 82532.
It can be written as a sum of positive squares in 2 ways, for example, as 20164 + 3364 = 142^2 + 58^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50 + ... + 222.
223528 is an apocalyptic number.
It is an amenable number.
23528 is a deficient number, since it is larger than the sum of its proper divisors (23452).
23528 is a wasteful number, since it uses less digits than its factorization.
23528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 196 (or 192 counting only the distinct ones).
The product of its digits is 480, while the sum is 20.
The square root of 23528 is about 153.3883959105. The cubic root of 23528 is about 28.6546431159.
It can be divided in two parts, 2 and 3528, that multiplied together give a square (7056 = 842).
The spelling of 23528 in words is "twenty-three thousand, five hundred twenty-eight".
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