242312403 has 16 divisors (see below), whose sum is σ = 326380032. Its totient is φ = 159900000.

The previous prime is 242312381. The next prime is 242312417. The reversal of 242312403 is 304213242.

It is not a de Polignac number, because 242312403 - 2¹³ = 242304211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242312403.

It is not an unprimeable number, because it can be changed into a prime (242312443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294733 + ... + 295553.

It is an arithmetic number, because the mean of its divisors is an integer number (20398752).

Almost surely, 2^242312403 is an apocalyptic number.

242312403 is a deficient number, since it is larger than the sum of its proper divisors (84067629).

242312403 is a wasteful number, since it uses less digits than its factorization.

242312403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 242312403 is about 15566.3869603707. The cubic root of 242312403 is about 623.4360067715.

Adding to 242312403 its reverse (304213242), we get a palindrome (546525645).

The spelling of 242312403 in words is "two hundred forty-two million, three hundred twelve thousand, four hundred three".