230302133 has 4 divisors (see below), whose sum is σ = 230581440. Its totient is φ = 230022828.

The previous prime is 230302123. The next prime is 230302147. The reversal of 230302133 is 331203032.

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 not a de Polignac number, because 230302133 - 2⁴ = 230302117 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 (230302123) 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, 138413 + ... + 140066.

It is an arithmetic number, because the mean of its divisors is an integer number (57645360).

Almost surely, 2^230302133 is an apocalyptic number.

It is an amenable number.

230302133 is a deficient number, since it is larger than the sum of its proper divisors (279307).

230302133 is an equidigital number, since it uses as much as digits as its factorization.

230302133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279306.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 230302133 is about 15175.7086490220. The cubic root of 230302133 is about 612.9607322268.

Adding to 230302133 its reverse (331203032), we get a palindrome (561505165).

The spelling of 230302133 in words is "two hundred thirty million, three hundred two thousand, one hundred thirty-three".