234442133 has 2 divisors, whose sum is σ = 234442134. Its totient is φ = 234442132.

The previous prime is 234442129. The next prime is 234442163. The reversal of 234442133 is 331244432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173633329 + 60808804 = 13177^2 + 7798^2 .

It is a cyclic number.

It is not a de Polignac number, because 234442133 - 2² = 234442129 is a prime.

It is a super-2 number, since 2×234442133² = 109926227451179378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234442123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117221066 + 117221067.

It is an arithmetic number, because the mean of its divisors is an integer number (117221067).

Almost surely, 2^234442133 is an apocalyptic number.

It is an amenable number.

234442133 is a deficient number, since it is larger than the sum of its proper divisors (1).

234442133 is an equidigital number, since it uses as much as digits as its factorization.

234442133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 26.

The square root of 234442133 is about 15311.5032900104. The cubic root of 234442133 is about 616.6118802395.

Adding to 234442133 its reverse (331244432), we get a palindrome (565686565).

The spelling of 234442133 in words is "two hundred thirty-four million, four hundred forty-two thousand, one hundred thirty-three".