230323133 has 4 divisors (see below), whose sum is σ = 238265340. Its totient is φ = 222380928.

The previous prime is 230323099. The next prime is 230323147. The reversal of 230323133 is 331323032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 192044164 + 38278969 = 13858^2 + 6187^2 .

It is a cyclic number.

It is not a de Polignac number, because 230323133 - 2⁶ = 230323069 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 (230323193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3971060 + ... + 3971117.

It is an arithmetic number, because the mean of its divisors is an integer number (59566335).

Almost surely, 2^230323133 is an apocalyptic number.

It is an amenable number.

230323133 is a deficient number, since it is larger than the sum of its proper divisors (7942207).

230323133 is an equidigital number, since it uses as much as digits as its factorization.

230323133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7942206.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 230323133 is about 15176.4005284521. The cubic root of 230323133 is about 612.9793625133.

Adding to 230323133 its reverse (331323032), we get a palindrome (561646165).

The spelling of 230323133 in words is "two hundred thirty million, three hundred twenty-three thousand, one hundred thirty-three".