242152223031243 has 32 divisors (see below), whose sum is σ = 409999840427520. Its totient is φ = 138370451605920.

The previous prime is 242152223031239. The next prime is 242152223031247. The reversal of 242152223031243 is 342130322251242.

242152223031243 is a `hidden beast` number, since 2 + 4 + 2 + 1 + 5 + 222 + 303 + 124 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (242152223031239) and next prime (242152223031247).

It is not a de Polignac number, because 242152223031243 - 2² = 242152223031239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242152223031198 and 242152223031207.

It is not an unprimeable number, because it can be changed into a prime (242152223031247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1298928 + ... + 22045218.

It is an arithmetic number, because the mean of its divisors is an integer number (12812495013360).

Almost surely, 2^{242152223031243} is an apocalyptic number.

242152223031243 is a deficient number, since it is larger than the sum of its proper divisors (167847617396277).

242152223031243 is a wasteful number, since it uses less digits than its factorization.

242152223031243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20808064 (or 20808058 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 242152223031243 its reverse (342130322251242), we get a palindrome (584282545282485).

The spelling of 242152223031243 in words is "two hundred forty-two trillion, one hundred fifty-two billion, two hundred twenty-three million, thirty-one thousand, two hundred forty-three".