242552403123 has 64 divisors (see below), whose sum is σ = 354652784640. Its totient is φ = 146850181632.

The previous prime is 242552403097. The next prime is 242552403151. The reversal of 242552403123 is 321304255242.

It is not a de Polignac number, because 242552403123 - 2⁹ = 242552402611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242552403523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98317536 + ... + 98320002.

It is an arithmetic number, because the mean of its divisors is an integer number (5541449760).

Almost surely, 2^242552403123 is an apocalyptic number.

242552403123 is a deficient number, since it is larger than the sum of its proper divisors (112100381517).

242552403123 is a wasteful number, since it uses less digits than its factorization.

242552403123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 242552403123 its reverse (321304255242), we get a palindrome (563856658365).

The spelling of 242552403123 in words is "two hundred forty-two billion, five hundred fifty-two million, four hundred three thousand, one hundred twenty-three".