230521215 has 8 divisors (see below), whose sum is σ = 368833968. Its totient is φ = 122944640.

The previous prime is 230521199. The next prime is 230521217. The reversal of 230521215 is 512125032.

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

It is not a de Polignac number, because 230521215 - 2⁴ = 230521199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230521191 and 230521200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230521217) 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, 7684026 + ... + 7684055.

It is an arithmetic number, because the mean of its divisors is an integer number (46104246).

Almost surely, 2^230521215 is an apocalyptic number.

230521215 is a deficient number, since it is larger than the sum of its proper divisors (138312753).

230521215 is a wasteful number, since it uses less digits than its factorization.

230521215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15368089.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 230521215 is about 15182.9251134292. The cubic root of 230521215 is about 613.1550365548.

Adding to 230521215 its reverse (512125032), we get a palindrome (742646247).

The spelling of 230521215 in words is "two hundred thirty million, five hundred twenty-one thousand, two hundred fifteen".