240423233 has 2 divisors, whose sum is σ = 240423234. Its totient is φ = 240423232.

The previous prime is 240423229. The next prime is 240423241. The reversal of 240423233 is 332324042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235683904 + 4739329 = 15352^2 + 2177^2 .

It is a cyclic number.

It is not a de Polignac number, because 240423233 - 2² = 240423229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240423199 and 240423208.

It is not a weakly prime, because it can be changed into another prime (240423203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120211616 + 120211617.

It is an arithmetic number, because the mean of its divisors is an integer number (120211617).

Almost surely, 2^240423233 is an apocalyptic number.

It is an amenable number.

240423233 is a deficient number, since it is larger than the sum of its proper divisors (1).

240423233 is an equidigital number, since it uses as much as digits as its factorization.

240423233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 240423233 is about 15505.5871543131. The cubic root of 240423233 is about 621.8115875948.

Adding to 240423233 its reverse (332324042), we get a palindrome (572747275).

The spelling of 240423233 in words is "two hundred forty million, four hundred twenty-three thousand, two hundred thirty-three".