230202133 has 4 divisors (see below), whose sum is σ = 263088160. Its totient is φ = 197316108.

The previous prime is 230202127. The next prime is 230202163. The reversal of 230202133 is 331202032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230202133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230202103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16443003 + ... + 16443016.

It is an arithmetic number, because the mean of its divisors is an integer number (65772040).

Almost surely, 2^230202133 is an apocalyptic number.

It is an amenable number.

230202133 is a deficient number, since it is larger than the sum of its proper divisors (32886027).

230202133 is an equidigital number, since it uses as much as digits as its factorization.

230202133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32886026.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 230202133 is about 15172.4135522335. The cubic root of 230202133 is about 612.8720010365.

Adding to 230202133 its reverse (331202032), we get a palindrome (561404165).

The spelling of 230202133 in words is "two hundred thirty million, two hundred two thousand, one hundred thirty-three".