235112343121 has 2 divisors, whose sum is σ = 235112343122. Its totient is φ = 235112343120.

The previous prime is 235112343097. The next prime is 235112343149. The reversal of 235112343121 is 121343211532.

It is an a-pointer prime, because the next prime (235112343149) can be obtained adding 235112343121 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209133350721 + 25978992400 = 457311^2 + 161180^2 .

It is a cyclic number.

It is not a de Polignac number, because 235112343121 - 2¹⁵ = 235112310353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235112343121.

It is not a weakly prime, because it can be changed into another prime (235112340121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117556171560 + 117556171561.

It is an arithmetic number, because the mean of its divisors is an integer number (117556171561).

Almost surely, 2^235112343121 is an apocalyptic number.

It is an amenable number.

235112343121 is a deficient number, since it is larger than the sum of its proper divisors (1).

235112343121 is an equidigital number, since it uses as much as digits as its factorization.

235112343121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

Adding to 235112343121 its reverse (121343211532), we get a palindrome (356455554653).

It can be divided in two parts, 23511 and 2343121, that added together give a palindrome (2366632).

The spelling of 235112343121 in words is "two hundred thirty-five billion, one hundred twelve million, three hundred forty-three thousand, one hundred twenty-one".