234024343017557 has 2 divisors, whose sum is σ = 234024343017558. Its totient is φ = 234024343017556.

The previous prime is 234024343017511. The next prime is 234024343017593. The reversal of 234024343017557 is 755710343420432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141003892744036 + 93020450273521 = 11874506^2 + 9644711^2 .

It is a cyclic number.

It is not a de Polignac number, because 234024343017557 - 2¹⁰ = 234024343016533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234024343017457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117012171508778 + 117012171508779.

It is an arithmetic number, because the mean of its divisors is an integer number (117012171508779).

Almost surely, 2^{234024343017557} is an apocalyptic number.

It is an amenable number.

234024343017557 is a deficient number, since it is larger than the sum of its proper divisors (1).

234024343017557 is an equidigital number, since it uses as much as digits as its factorization.

234024343017557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8467200, while the sum is 50.

Adding to 234024343017557 its reverse (755710343420432), we get a palindrome (989734686437989).

The spelling of 234024343017557 in words is "two hundred thirty-four trillion, twenty-four billion, three hundred forty-three million, seventeen thousand, five hundred fifty-seven".