234384181 has 2 divisors, whose sum is σ = 234384182. Its totient is φ = 234384180.

The previous prime is 234384169. The next prime is 234384203. The reversal of 234384181 is 181483432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223054225 + 11329956 = 14935^2 + 3366^2 .

It is a cyclic number.

It is not a de Polignac number, because 234384181 - 2¹¹ = 234382133 is a prime.

It is a super-2 number, since 2×234384181² = 109871888606081522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234384481) 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, 117192090 + 117192091.

It is an arithmetic number, because the mean of its divisors is an integer number (117192091).

Almost surely, 2^234384181 is an apocalyptic number.

It is an amenable number.

234384181 is a deficient number, since it is larger than the sum of its proper divisors (1).

234384181 is an equidigital number, since it uses as much as digits as its factorization.

234384181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 34.

The square root of 234384181 is about 15309.6107396628. The cubic root of 234384181 is about 616.5610690706.

The spelling of 234384181 in words is "two hundred thirty-four million, three hundred eighty-four thousand, one hundred eighty-one".