234231212116543 has 4 divisors (see below), whose sum is σ = 234271955071000. Its totient is φ = 234190469162088.

The previous prime is 234231212116487. The next prime is 234231212116609. The reversal of 234231212116543 is 345611212132432.

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 234231212116543 - 2³⁷ = 234093773163071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234231212116496 and 234231212116505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234231212116943) 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, 20371468605 + ... + 20371480102.

It is an arithmetic number, because the mean of its divisors is an integer number (58567988767750).

Almost surely, 2^{234231212116543} is an apocalyptic number.

234231212116543 is a deficient number, since it is larger than the sum of its proper divisors (40742954457).

234231212116543 is an equidigital number, since it uses as much as digits as its factorization.

234231212116543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40742954456.

The product of its digits is 207360, while the sum is 40.

Adding to 234231212116543 its reverse (345611212132432), we get a palindrome (579842424248975).

The spelling of 234231212116543 in words is "two hundred thirty-four trillion, two hundred thirty-one billion, two hundred twelve million, one hundred sixteen thousand, five hundred forty-three".