242003403 has 16 divisors (see below), whose sum is σ = 358798240. Its totient is φ = 161212032.

The previous prime is 242003389. The next prime is 242003417. The reversal of 242003403 is 304300242.

It is an interprime number because it is at equal distance from previous prime (242003389) and next prime (242003417).

It is not a de Polignac number, because 242003403 - 2⁴ = 242003387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242003473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44775 + ... + 49887.

It is an arithmetic number, because the mean of its divisors is an integer number (22424890).

Almost surely, 2^242003403 is an apocalyptic number.

242003403 is a deficient number, since it is larger than the sum of its proper divisors (116794837).

242003403 is a wasteful number, since it uses less digits than its factorization.

242003403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875 (or 6869 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 242003403 is about 15556.4585622821. The cubic root of 242003403 is about 623.1708894158.

Adding to 242003403 its reverse (304300242), we get a palindrome (546303645).

The spelling of 242003403 in words is "two hundred forty-two million, three thousand, four hundred three".