234123316231 has 4 divisors (see below), whose sum is σ = 267569504272. Its totient is φ = 200677128192.

The previous prime is 234123316183. The next prime is 234123316241. The reversal of 234123316231 is 132613321432.

It is a happy number.

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 234123316231 - 2¹⁷ = 234123185159 is a prime.

It is a super-2 number, since 2×234123316231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234123316193 and 234123316202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234123316241) 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 in 3 ways as a sum of consecutive naturals, for example, 16723094010 + ... + 16723094023.

It is an arithmetic number, because the mean of its divisors is an integer number (66892376068).

Almost surely, 2^234123316231 is an apocalyptic number.

234123316231 is a deficient number, since it is larger than the sum of its proper divisors (33446188041).

234123316231 is an equidigital number, since it uses as much as digits as its factorization.

234123316231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33446188040.

The product of its digits is 15552, while the sum is 31.

Adding to 234123316231 its reverse (132613321432), we get a palindrome (366736637663).

The spelling of 234123316231 in words is "two hundred thirty-four billion, one hundred twenty-three million, three hundred sixteen thousand, two hundred thirty-one".