234141991 has 2 divisors, whose sum is σ = 234141992. Its totient is φ = 234141990.

The previous prime is 234141983. The next prime is 234142033. The reversal of 234141991 is 199141432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234141991 - 2³ = 234141983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234141961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117070995 + 117070996.

It is an arithmetic number, because the mean of its divisors is an integer number (117070996).

Almost surely, 2^234141991 is an apocalyptic number.

234141991 is a deficient number, since it is larger than the sum of its proper divisors (1).

234141991 is an equidigital number, since it uses as much as digits as its factorization.

234141991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 234141991 is about 15301.6989579589. The cubic root of 234141991 is about 616.3486309745.

The spelling of 234141991 in words is "two hundred thirty-four million, one hundred forty-one thousand, nine hundred ninety-one".