240233 has 4 divisors (see below), whose sum is σ = 274560. Its totient is φ = 205908.

The previous prime is 240209. The next prime is 240257. The reversal of 240233 is 332042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332042 = 2 ⋅166021.

It is an interprime number because it is at equal distance from previous prime (240209) and next prime (240257).

It is a cyclic number.

It is not a de Polignac number, because 240233 - 2⁶ = 240169 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 240233.

It is not an unprimeable number, because it can be changed into a prime (240203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17153 + ... + 17166.

It is an arithmetic number, because the mean of its divisors is an integer number (68640).

2²⁴⁰²³³ is an apocalyptic number.

It is an amenable number.

240233 is a deficient number, since it is larger than the sum of its proper divisors (34327).

240233 is an equidigital number, since it uses as much as digits as its factorization.

240233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34326.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 240233 is about 490.1356954967. The cubic root of 240233 is about 62.1647543138.

Adding to 240233 its reverse (332042), we get a palindrome (572275).

Subtracting 240233 from its reverse (332042), we obtain a square (91809 = 303²).

The spelling of 240233 in words is "two hundred forty thousand, two hundred thirty-three".