234340423303243 has 8 divisors (see below), whose sum is σ = 244160537518080. Its totient is φ = 224661605696040.

The previous prime is 234340423303201. The next prime is 234340423303277. The reversal of 234340423303243 is 342303324043432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 234340423303243 - 2⁴⁵ = 199156051214411 is a prime.

It is a super-2 number, since 2×234340423303243² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234340423303196 and 234340423303205.

It is not an unprimeable number, because it can be changed into a prime (234340423306243) 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 7 ways as a sum of consecutive naturals, for example, 35324148523 + ... + 35324155156.

It is an arithmetic number, because the mean of its divisors is an integer number (30520067189760).

Almost surely, 2^{234340423303243} is an apocalyptic number.

234340423303243 is a deficient number, since it is larger than the sum of its proper divisors (9820114214837).

234340423303243 is a wasteful number, since it uses less digits than its factorization.

234340423303243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70648303817.

The product of its (nonzero) digits is 1492992, while the sum is 40.

Adding to 234340423303243 its reverse (342303324043432), we get a palindrome (576643747346675).

The spelling of 234340423303243 in words is "two hundred thirty-four trillion, three hundred forty billion, four hundred twenty-three million, three hundred three thousand, two hundred forty-three".