234444111111 has 48 divisors (see below), whose sum is σ = 392469120576. Its totient is φ = 132093739008.

The previous prime is 234444111019. The next prime is 234444111149. The reversal of 234444111111 is 111111444432.

234444111111 is a `hidden beast` number, since 234 + 4 + 4 + 411 + 1 + 1 + 11 = 666.

It is not a de Polignac number, because 234444111111 - 2⁷ = 234444110983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234444111211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1288651 + ... + 1459283.

It is an arithmetic number, because the mean of its divisors is an integer number (8176440012).

Almost surely, 2^234444111111 is an apocalyptic number.

234444111111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

234444111111 is a deficient number, since it is larger than the sum of its proper divisors (158025009465).

234444111111 is a wasteful number, since it uses less digits than its factorization.

234444111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170952 (or 170949 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

Adding to 234444111111 its reverse (111111444432), we get a palindrome (345555555543).

The spelling of 234444111111 in words is "two hundred thirty-four billion, four hundred forty-four million, one hundred eleven thousand, one hundred eleven".