242123403 has 16 divisors (see below), whose sum is σ = 341107200. Its totient is φ = 152341920.

The previous prime is 242123389. The next prime is 242123417. The reversal of 242123403 is 304321242.

242123403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242123389) and next prime (242123417).

It is not a de Polignac number, because 242123403 - 2⁶ = 242123339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242123403.

It is not an unprimeable number, because it can be changed into a prime (242123443) 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, 7438 + ... + 23228.

It is an arithmetic number, because the mean of its divisors is an integer number (21319200).

Almost surely, 2^242123403 is an apocalyptic number.

242123403 is a deficient number, since it is larger than the sum of its proper divisors (98983797).

242123403 is a wasteful number, since it uses less digits than its factorization.

242123403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16082.

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

The square root of 242123403 is about 15560.3150032382. The cubic root of 242123403 is about 623.2738744000.

Adding to 242123403 its reverse (304321242), we get a palindrome (546444645).

The spelling of 242123403 in words is "two hundred forty-two million, one hundred twenty-three thousand, four hundred three".