243231122141 has 8 divisors (see below), whose sum is σ = 278427506880. Its totient is φ = 208147007808.

The previous prime is 243231122131. The next prime is 243231122143. The reversal of 243231122141 is 141221132342.

It is a happy number.

243231122141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243231122141 is a prime.

It is a super-2 number, since 2×243231122141² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243231122141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243231122143) 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 7 ways as a sum of consecutive naturals, for example, 28062956 + ... + 28071621.

It is an arithmetic number, because the mean of its divisors is an integer number (34803438360).

Almost surely, 2^243231122141 is an apocalyptic number.

It is an amenable number.

243231122141 is a deficient number, since it is larger than the sum of its proper divisors (35196384739).

243231122141 is an equidigital number, since it uses as much as digits as its factorization.

243231122141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56135203.

The product of its digits is 2304, while the sum is 26.

Adding to 243231122141 its reverse (141221132342), we get a palindrome (384452254483).

The spelling of 243231122141 in words is "two hundred forty-three billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred forty-one".