242403523340123 has 16 divisors (see below), whose sum is σ = 246697015918080. Its totient is φ = 238147109164800.

The previous prime is 242403523340107. The next prime is 242403523340171. The reversal of 242403523340123 is 321043325304242.

It is a cyclic number.

It is not a de Polignac number, because 242403523340123 - 2⁴ = 242403523340107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242403523340183) 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, 101165258 + ... + 103533648.

It is an arithmetic number, because the mean of its divisors is an integer number (15418563494880).

Almost surely, 2^{242403523340123} is an apocalyptic number.

242403523340123 is a deficient number, since it is larger than the sum of its proper divisors (4293492577957).

242403523340123 is a wasteful number, since it uses less digits than its factorization.

242403523340123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376218.

The product of its (nonzero) digits is 414720, while the sum is 38.

Adding to 242403523340123 its reverse (321043325304242), we get a palindrome (563446848644365).

The spelling of 242403523340123 in words is "two hundred forty-two trillion, four hundred three billion, five hundred twenty-three million, three hundred forty thousand, one hundred twenty-three".