234212421143 has 4 divisors (see below), whose sum is σ = 234718279968. Its totient is φ = 233706562320.

The previous prime is 234212421139. The next prime is 234212421161. The reversal of 234212421143 is 341124212432.

234212421143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 234212421143 - 2² = 234212421139 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 (234212421943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252928718 + ... + 252929643.

It is an arithmetic number, because the mean of its divisors is an integer number (58679569992).

Almost surely, 2^234212421143 is an apocalyptic number.

234212421143 is a deficient number, since it is larger than the sum of its proper divisors (505858825).

234212421143 is an equidigital number, since it uses as much as digits as its factorization.

234212421143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505858824.

The product of its digits is 9216, while the sum is 29.

Adding to 234212421143 its reverse (341124212432), we get a palindrome (575336633575).

The spelling of 234212421143 in words is "two hundred thirty-four billion, two hundred twelve million, four hundred twenty-one thousand, one hundred forty-three".