243434121133 has 8 divisors (see below), whose sum is σ = 284680434368. Its totient is φ = 203805310464.

The previous prime is 243434121121. The next prime is 243434121163. The reversal of 243434121133 is 331121434342.

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

It is not a de Polignac number, because 243434121133 - 2⁵ = 243434121101 is a prime.

It is a super-2 number, since 2×243434121133² (a number of 24 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 = 243434121095 and 243434121104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243434121163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404375316 + ... + 404375917.

It is an arithmetic number, because the mean of its divisors is an integer number (35585054296).

Almost surely, 2^243434121133 is an apocalyptic number.

It is an amenable number.

243434121133 is a deficient number, since it is larger than the sum of its proper divisors (41246313235).

243434121133 is an equidigital number, since it uses as much as digits as its factorization.

243434121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808751283.

The product of its digits is 20736, while the sum is 31.

Adding to 243434121133 its reverse (331121434342), we get a palindrome (574555555475).

The spelling of 243434121133 in words is "two hundred forty-three billion, four hundred thirty-four million, one hundred twenty-one thousand, one hundred thirty-three".