234240111 has 12 divisors (see below), whose sum is σ = 386682192. Its totient is φ = 133851456.

The previous prime is 234240103. The next prime is 234240121. The reversal of 234240111 is 111042432.

It is not a de Polignac number, because 234240111 - 2³ = 234240103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234240121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1858986 + ... + 1859111.

It is an arithmetic number, because the mean of its divisors is an integer number (32223516).

Almost surely, 2^234240111 is an apocalyptic number.

234240111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

234240111 is a deficient number, since it is larger than the sum of its proper divisors (152442081).

234240111 is a wasteful number, since it uses less digits than its factorization.

234240111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718110 (or 3718107 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 234240111 is about 15304.9048020561. The cubic root of 234240111 is about 616.4347150377.

Adding to 234240111 its reverse (111042432), we get a palindrome (345282543).

The spelling of 234240111 in words is "two hundred thirty-four million, two hundred forty thousand, one hundred eleven".