240140233 has 2 divisors, whose sum is σ = 240140234. Its totient is φ = 240140232.

The previous prime is 240140231. The next prime is 240140237. The reversal of 240140233 is 332041042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238764304 + 1375929 = 15452^2 + 1173^2 .

It is a cyclic number.

It is not a de Polignac number, because 240140233 - 2¹ = 240140231 is a prime.

Together with 240140231, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 240140233.

It is not a weakly prime, because it can be changed into another prime (240140231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120070116 + 120070117.

It is an arithmetic number, because the mean of its divisors is an integer number (120070117).

Almost surely, 2^240140233 is an apocalyptic number.

It is an amenable number.

240140233 is a deficient number, since it is larger than the sum of its proper divisors (1).

240140233 is an equidigital number, since it uses as much as digits as its factorization.

240140233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 240140233 is about 15496.4587244957. The cubic root of 240140233 is about 621.5675155508.

Adding to 240140233 its reverse (332041042), we get a palindrome (572181275).

The spelling of 240140233 in words is "two hundred forty million, one hundred forty thousand, two hundred thirty-three".