243242552043 has 16 divisors (see below), whose sum is σ = 362350279200. Its totient is φ = 161265777120.

The previous prime is 243242552023. The next prime is 243242552051. The reversal of 243242552043 is 340255242342.

243242552043 is a `hidden beast` number, since 2 + 43 + 24 + 2 + 552 + 0 + 43 = 666.

243242552043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243242552043 - 2⁸ = 243242551787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243242551989 and 243242552007.

It is not an unprimeable number, because it can be changed into a prime (243242552023) 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 15 ways as a sum of consecutive naturals, for example, 24881808 + ... + 24891581.

It is an arithmetic number, because the mean of its divisors is an integer number (22646892450).

Almost surely, 2^243242552043 is an apocalyptic number.

243242552043 is a deficient number, since it is larger than the sum of its proper divisors (119107727157).

243242552043 is a wasteful number, since it uses less digits than its factorization.

243242552043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49773579 (or 49773573 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 243242552043 its reverse (340255242342), we get a palindrome (583497794385).

The spelling of 243242552043 in words is "two hundred forty-three billion, two hundred forty-two million, five hundred fifty-two thousand, forty-three".