235140233 has 2 divisors, whose sum is σ = 235140234. Its totient is φ = 235140232.

The previous prime is 235140229. The next prime is 235140263. The reversal of 235140233 is 332041532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195664144 + 39476089 = 13988^2 + 6283^2 .

It is a cyclic number.

It is not a de Polignac number, because 235140233 - 2² = 235140229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 235140199 and 235140208.

It is not a weakly prime, because it can be changed into another prime (235140263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117570116 + 117570117.

It is an arithmetic number, because the mean of its divisors is an integer number (117570117).

Almost surely, 2^235140233 is an apocalyptic number.

It is an amenable number.

235140233 is a deficient number, since it is larger than the sum of its proper divisors (1).

235140233 is an equidigital number, since it uses as much as digits as its factorization.

235140233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 235140233 is about 15334.2829307405. The cubic root of 235140233 is about 617.2233036150.

Adding to 235140233 its reverse (332041532), we get a palindrome (567181765).

The spelling of 235140233 in words is "two hundred thirty-five million, one hundred forty thousand, two hundred thirty-three".