242011404304123 has 2 divisors, whose sum is σ = 242011404304124. Its totient is φ = 242011404304122.

The previous prime is 242011404304097. The next prime is 242011404304127. The reversal of 242011404304123 is 321403404110242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242011404304123 - 2⁵ = 242011404304091 is a prime.

It is not a weakly prime, because it can be changed into another prime (242011404304127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121005702152061 + 121005702152062.

It is an arithmetic number, because the mean of its divisors is an integer number (121005702152062).

Almost surely, 2^{242011404304123} is an apocalyptic number.

242011404304123 is a deficient number, since it is larger than the sum of its proper divisors (1).

242011404304123 is an equidigital number, since it uses as much as digits as its factorization.

242011404304123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 242011404304123 its reverse (321403404110242), we get a palindrome (563414808414365).

The spelling of 242011404304123 in words is "two hundred forty-two trillion, eleven billion, four hundred four million, three hundred four thousand, one hundred twenty-three".