230532520 has 32 divisors (see below), whose sum is σ = 522016200. Its totient is φ = 91623168.

The previous prime is 230532499. The next prime is 230532539. The reversal of 230532520 is 25235032.

It can be written as a sum of positive squares in 4 ways, for example, as 157703364 + 72829156 = 12558^2 + 8534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 230532491 and 230532500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12075 + ... + 24634.

Almost surely, 2^230532520 is an apocalyptic number.

230532520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230532520 is an abundant number, since it is smaller than the sum of its proper divisors (291483680).

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

230532520 is a wasteful number, since it uses less digits than its factorization.

230532520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36877 (or 36873 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 230532520 is about 15183.2974020797. The cubic root of 230532520 is about 613.1650596444.

Adding to 230532520 its reverse (25235032), we get a palindrome (255767552).

The spelling of 230532520 in words is "two hundred thirty million, five hundred thirty-two thousand, five hundred twenty".