230003521 has 8 divisors (see below), whose sum is σ = 251301600. Its totient is φ = 208770240.

The previous prime is 230003497. The next prime is 230003533. The reversal of 230003521 is 125300032.

230003521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230003521 - 2¹⁷ = 229872449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230003495 and 230003504.

It is not an unprimeable number, because it can be changed into a prime (230003561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8616 + ... + 23113.

It is an arithmetic number, because the mean of its divisors is an integer number (31412700).

Almost surely, 2^230003521 is an apocalyptic number.

It is an amenable number.

230003521 is a deficient number, since it is larger than the sum of its proper divisors (21298079).

230003521 is a wasteful number, since it uses less digits than its factorization.

230003521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32399.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 230003521 is about 15165.8669715912. The cubic root of 230003521 is about 612.6956940149.

Adding to 230003521 its reverse (125300032), we get a palindrome (355303553).

The spelling of 230003521 in words is "two hundred thirty million, three thousand, five hundred twenty-one".