242322113557 has 2 divisors, whose sum is σ = 242322113558. Its totient is φ = 242322113556.

The previous prime is 242322113549. The next prime is 242322113617. The reversal of 242322113557 is 755311223242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138716022916 + 103606090641 = 372446^2 + 321879^2 .

It is a cyclic number.

It is not a de Polignac number, because 242322113557 - 2³ = 242322113549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242322116557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121161056778 + 121161056779.

It is an arithmetic number, because the mean of its divisors is an integer number (121161056779).

Almost surely, 2^242322113557 is an apocalyptic number.

It is an amenable number.

242322113557 is a deficient number, since it is larger than the sum of its proper divisors (1).

242322113557 is an equidigital number, since it uses as much as digits as its factorization.

242322113557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

Adding to 242322113557 its reverse (755311223242), we get a palindrome (997633336799).

The spelling of 242322113557 in words is "two hundred forty-two billion, three hundred twenty-two million, one hundred thirteen thousand, five hundred fifty-seven".