234213134191 has 2 divisors, whose sum is σ = 234213134192. Its totient is φ = 234213134190.

The previous prime is 234213134149. The next prime is 234213134237. The reversal of 234213134191 is 191431312432.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234213134191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234213134291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117106567095 + 117106567096.

It is an arithmetic number, because the mean of its divisors is an integer number (117106567096).

Almost surely, 2^234213134191 is an apocalyptic number.

234213134191 is a deficient number, since it is larger than the sum of its proper divisors (1).

234213134191 is an equidigital number, since it uses as much as digits as its factorization.

234213134191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The spelling of 234213134191 in words is "two hundred thirty-four billion, two hundred thirteen million, one hundred thirty-four thousand, one hundred ninety-one".