243432031123 has 8 divisors (see below), whose sum is σ = 248304758688. Its totient is φ = 238569661824.

The previous prime is 243432031121. The next prime is 243432031127. The reversal of 243432031123 is 321130234342.

It is a happy number.

243432031123 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 not a de Polignac number, because 243432031123 - 2¹ = 243432031121 is a prime.

It is a super-2 number, since 2×243432031123² (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 = 243432031091 and 243432031100.

It is not an unprimeable number, because it can be changed into a prime (243432031121) 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, 2542086 + ... + 2636107.

It is an arithmetic number, because the mean of its divisors is an integer number (31038094836).

Almost surely, 2^243432031123 is an apocalyptic number.

243432031123 is a deficient number, since it is larger than the sum of its proper divisors (4872727565).

243432031123 is an equidigital number, since it uses as much as digits as its factorization.

243432031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5179133.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 243432031123 its reverse (321130234342), we get a palindrome (564562265465).

The spelling of 243432031123 in words is "two hundred forty-three billion, four hundred thirty-two million, thirty-one thousand, one hundred twenty-three".