243143101123 has 8 divisors (see below), whose sum is σ = 261873135216. Its totient is φ = 224416884000.

The previous prime is 243143101037. The next prime is 243143101129. The reversal of 243143101123 is 321101341342.

243143101123 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 243143101123 - 2³³ = 234553166531 is a prime.

It is a super-2 number, since 2×243143101123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243143101129) 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, 821248 + ... + 1077373.

It is an arithmetic number, because the mean of its divisors is an integer number (32734141902).

Almost surely, 2^243143101123 is an apocalyptic number.

243143101123 is a deficient number, since it is larger than the sum of its proper divisors (18730034093).

243143101123 is a wasteful number, since it uses less digits than its factorization.

243143101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908485.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 243143101123 its reverse (321101341342), we get a palindrome (564244442465).

The spelling of 243143101123 in words is "two hundred forty-three billion, one hundred forty-three million, one hundred one thousand, one hundred twenty-three".