242340123 has 8 divisors (see below), whose sum is σ = 323533888. Its totient is φ = 161353224.

The previous prime is 242340101. The next prime is 242340143. The reversal of 242340123 is 321043242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242340123 - 2¹⁶ = 242274587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242340123.

It is not an unprimeable number, because it can be changed into a prime (242340143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48961 + ... + 53682.

It is an arithmetic number, because the mean of its divisors is an integer number (40441736).

Almost surely, 2^242340123 is an apocalyptic number.

242340123 is a deficient number, since it is larger than the sum of its proper divisors (81193765).

242340123 is a wasteful number, since it uses less digits than its factorization.

242340123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103433.

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

The square root of 242340123 is about 15567.2773149321. The cubic root of 242340123 is about 623.4597790959.

Adding to 242340123 its reverse (321043242), we get a palindrome (563383365).

The spelling of 242340123 in words is "two hundred forty-two million, three hundred forty thousand, one hundred twenty-three".