234212443117 has 2 divisors, whose sum is σ = 234212443118. Its totient is φ = 234212443116.

The previous prime is 234212443103. The next prime is 234212443151. The reversal of 234212443117 is 711344212432.

It is a happy number.

It is an a-pointer prime, because the next prime (234212443151) can be obtained adding 234212443117 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117447402436 + 116765040681 = 342706^2 + 341709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234212443117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234212440117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117106221558 + 117106221559.

It is an arithmetic number, because the mean of its divisors is an integer number (117106221559).

Almost surely, 2^234212443117 is an apocalyptic number.

It is an amenable number.

234212443117 is a deficient number, since it is larger than the sum of its proper divisors (1).

234212443117 is an equidigital number, since it uses as much as digits as its factorization.

234212443117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

Adding to 234212443117 its reverse (711344212432), we get a palindrome (945556655549).

It can be divided in two parts, 234212 and 443117, that added together give a square (677329 = 823²).

The spelling of 234212443117 in words is "two hundred thirty-four billion, two hundred twelve million, four hundred forty-three thousand, one hundred seventeen".