234434211197 has 2 divisors, whose sum is σ = 234434211198. Its totient is φ = 234434211196.

The previous prime is 234434211191. The next prime is 234434211287. The reversal of 234434211197 is 791112434432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172203420676 + 62230790521 = 414974^2 + 249461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234434211197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234434211191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117217105598 + 117217105599.

It is an arithmetic number, because the mean of its divisors is an integer number (117217105599).

Almost surely, 2^234434211197 is an apocalyptic number.

It is an amenable number.

234434211197 is a deficient number, since it is larger than the sum of its proper divisors (1).

234434211197 is an equidigital number, since it uses as much as digits as its factorization.

234434211197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The spelling of 234434211197 in words is "two hundred thirty-four billion, four hundred thirty-four million, two hundred eleven thousand, one hundred ninety-seven".