234203321111 has 4 divisors (see below), whose sum is σ = 238622251752. Its totient is φ = 229784390472.

The previous prime is 234203321069. The next prime is 234203321123. The reversal of 234203321111 is 111123302432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234203321111 - 2¹⁸ = 234203058967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234203321411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2209465241 + ... + 2209465346.

It is an arithmetic number, because the mean of its divisors is an integer number (59655562938).

Almost surely, 2^234203321111 is an apocalyptic number.

234203321111 is a deficient number, since it is larger than the sum of its proper divisors (4418930641).

234203321111 is an equidigital number, since it uses as much as digits as its factorization.

234203321111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418930640.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 234203321111 its reverse (111123302432), we get a palindrome (345326623543).

The spelling of 234203321111 in words is "two hundred thirty-four billion, two hundred three million, three hundred twenty-one thousand, one hundred eleven".