232520 has 16 divisors (see below), whose sum is σ = 523260. Its totient is φ = 92992.

The previous prime is 232513. The next prime is 232523. The reversal of 232520 is 25232.

It can be written as a sum of positive squares in 2 ways, for example, as 232324 + 196 = 482^2 + 14^2 .

It is a junction number, because it is equal to n+sod(n) for n = 232495 and 232504.

It is not an unprimeable number, because it can be changed into a prime (232523) by changing a digit.

232520 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 2867 + ... + 2946.

2²³²⁵²⁰ is an apocalyptic number.

232520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232520 is an abundant number, since it is smaller than the sum of its proper divisors (290740).

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

232520 is a wasteful number, since it uses less digits than its factorization.

232520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824 (or 5820 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 232520 is about 482.2032766376. The cubic root of 232520 is about 61.4922104396.

Adding to 232520 its reverse (25232), we get a palindrome (257752).

The spelling of 232520 in words is "two hundred thirty-two thousand, five hundred twenty".