234630133 has 2 divisors, whose sum is σ = 234630134. Its totient is φ = 234630132.

The previous prime is 234630131. The next prime is 234630161. The reversal of 234630133 is 331036432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229280164 + 5349969 = 15142^2 + 2313^2 .

It is a cyclic number.

It is not a de Polignac number, because 234630133 - 2¹ = 234630131 is a prime.

Together with 234630131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 234630098 and 234630107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234630131) 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 as a sum of consecutive naturals, namely, 117315066 + 117315067.

It is an arithmetic number, because the mean of its divisors is an integer number (117315067).

Almost surely, 2^234630133 is an apocalyptic number.

It is an amenable number.

234630133 is a deficient number, since it is larger than the sum of its proper divisors (1).

234630133 is an equidigital number, since it uses as much as digits as its factorization.

234630133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 234630133 is about 15317.6412348638. The cubic root of 234630133 is about 616.7766573061.

Adding to 234630133 its reverse (331036432), we get a palindrome (565666565).

The spelling of 234630133 in words is "two hundred thirty-four million, six hundred thirty thousand, one hundred thirty-three".