240242303 has 4 divisors (see below), whose sum is σ = 274562640. Its totient is φ = 205921968.

The previous prime is 240242263. The next prime is 240242309. The reversal of 240242303 is 303242042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303242042 = 2 ⋅151621021.

It is not a de Polignac number, because 240242303 - 2¹⁴ = 240225919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240242309) 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, 17160158 + ... + 17160171.

It is an arithmetic number, because the mean of its divisors is an integer number (68640660).

Almost surely, 2^240242303 is an apocalyptic number.

240242303 is a deficient number, since it is larger than the sum of its proper divisors (34320337).

240242303 is an equidigital number, since it uses as much as digits as its factorization.

240242303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34320336.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 240242303 is about 15499.7517076887. The cubic root of 240242303 is about 621.6555674485.

Adding to 240242303 its reverse (303242042), we get a palindrome (543484345).

It can be divided in two parts, 240 and 242303, that multiplied together give a triangular number (58152720 = T₁₀₇₈₄).

The spelling of 240242303 in words is "two hundred forty million, two hundred forty-two thousand, three hundred three".