234312203557 has 2 divisors, whose sum is σ = 234312203558. Its totient is φ = 234312203556.

The previous prime is 234312203539. The next prime is 234312203561. The reversal of 234312203557 is 755302213432.

234312203557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152725421601 + 81586781956 = 390801^2 + 285634^2 .

It is a cyclic number.

It is not a de Polignac number, because 234312203557 - 2³¹ = 232164719909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234312203527) 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 as a sum of consecutive naturals, namely, 117156101778 + 117156101779.

It is an arithmetic number, because the mean of its divisors is an integer number (117156101779).

Almost surely, 2^234312203557 is an apocalyptic number.

It is an amenable number.

234312203557 is a deficient number, since it is larger than the sum of its proper divisors (1).

234312203557 is an equidigital number, since it uses as much as digits as its factorization.

234312203557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 37.

Adding to 234312203557 its reverse (755302213432), we get a palindrome (989614416989).

The spelling of 234312203557 in words is "two hundred thirty-four billion, three hundred twelve million, two hundred three thousand, five hundred fifty-seven".