242123004111403 has 4 divisors (see below), whose sum is σ = 242129258780688. Its totient is φ = 242116749442120.

The previous prime is 242123004111293. The next prime is 242123004111409. The reversal of 242123004111403 is 304111400321242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242123004111403 - 2¹⁷ = 242123003980331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242123004111409) 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, 3127276576 + ... + 3127353997.

It is an arithmetic number, because the mean of its divisors is an integer number (60532314695172).

Almost surely, 2^{242123004111403} is an apocalyptic number.

242123004111403 is a deficient number, since it is larger than the sum of its proper divisors (6254669285).

242123004111403 is an equidigital number, since it uses as much as digits as its factorization.

242123004111403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6254669284.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 242123004111403 its reverse (304111400321242), we get a palindrome (546234404432645).

The spelling of 242123004111403 in words is "two hundred forty-two trillion, one hundred twenty-three billion, four million, one hundred eleven thousand, four hundred three".