234404111 has 2 divisors, whose sum is σ = 234404112. Its totient is φ = 234404110.

The previous prime is 234404099. The next prime is 234404119. The reversal of 234404111 is 111404432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234404111 - 2¹⁰ = 234403087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234404119) 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, 117202055 + 117202056.

It is an arithmetic number, because the mean of its divisors is an integer number (117202056).

Almost surely, 2^234404111 is an apocalyptic number.

234404111 is a deficient number, since it is larger than the sum of its proper divisors (1).

234404111 is an equidigital number, since it uses as much as digits as its factorization.

234404111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 234404111 is about 15310.2616241526. The cubic root of 234404111 is about 616.5785442457.

Adding to 234404111 its reverse (111404432), we get a palindrome (345808543).

The spelling of 234404111 in words is "two hundred thirty-four million, four hundred four thousand, one hundred eleven".