242255423251 has 8 divisors (see below), whose sum is σ = 242854098704. Its totient is φ = 241656929280.

The previous prime is 242255423243. The next prime is 242255423297. The reversal of 242255423251 is 152324552242.

242255423251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 242255423251 - 2³ = 242255423243 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 242255423251.

It is not an unprimeable number, because it can be changed into a prime (242255403251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2855395 + ... + 2939011.

It is an arithmetic number, because the mean of its divisors is an integer number (30356762338).

Almost surely, 2^242255423251 is an apocalyptic number.

242255423251 is a deficient number, since it is larger than the sum of its proper divisors (598675453).

242255423251 is an equidigital number, since it uses as much as digits as its factorization.

242255423251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90741.

The product of its digits is 192000, while the sum is 37.

Adding to 242255423251 its reverse (152324552242), we get a palindrome (394579975493).

The spelling of 242255423251 in words is "two hundred forty-two billion, two hundred fifty-five million, four hundred twenty-three thousand, two hundred fifty-one".