243032401123 has 4 divisors (see below), whose sum is σ = 243044213128. Its totient is φ = 243020589120.

The previous prime is 243032401093. The next prime is 243032401147. The reversal of 243032401123 is 321104230342.

243032401123 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 243032401123 - 2¹³ = 243032392931 is a prime.

It is a super-2 number, since 2×243032401123² (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 (243032401153) 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, 5875086 + ... + 5916307.

It is an arithmetic number, because the mean of its divisors is an integer number (60761053282).

Almost surely, 2^243032401123 is an apocalyptic number.

243032401123 is a deficient number, since it is larger than the sum of its proper divisors (11812005).

243032401123 is a wasteful number, since it uses less digits than its factorization.

243032401123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11812004.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 243032401123 its reverse (321104230342), we get a palindrome (564136631465).

The spelling of 243032401123 in words is "two hundred forty-three billion, thirty-two million, four hundred one thousand, one hundred twenty-three".