230215533 has 32 divisors (see below), whose sum is σ = 345461760. Its totient is φ = 135653760.

The previous prime is 230215511. The next prime is 230215549. The reversal of 230215533 is 335512032.

It is a happy number.

It is not a de Polignac number, because 230215533 - 2⁸ = 230215277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230215033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51610 + ... + 55892.

It is an arithmetic number, because the mean of its divisors is an integer number (10795680).

Almost surely, 2^230215533 is an apocalyptic number.

230215533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

230215533 is a deficient number, since it is larger than the sum of its proper divisors (115246227).

230215533 is a wasteful number, since it uses less digits than its factorization.

230215533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 230215533 is about 15172.8551367236. The cubic root of 230215533 is about 612.8838925067.

Adding to 230215533 its reverse (335512032), we get a palindrome (565727565).

The spelling of 230215533 in words is "two hundred thirty million, two hundred fifteen thousand, five hundred thirty-three".