243433400142213 has 32 divisors (see below), whose sum is σ = 368618952230400. Its totient is φ = 158705031647808.

The previous prime is 243433400142187. The next prime is 243433400142223. The reversal of 243433400142213 is 312241004334342.

243433400142213 is a `hidden beast` number, since 2 + 4 + 3 + 4 + 33 + 400 + 1 + 4 + 2 + 213 = 666.

243433400142213 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 243433400142213 - 2⁴⁰ = 242333888514437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243433400142223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77533618 + ... + 80612211.

It is an arithmetic number, because the mean of its divisors is an integer number (11519342257200).

Almost surely, 2^{243433400142213} is an apocalyptic number.

It is an amenable number.

243433400142213 is a deficient number, since it is larger than the sum of its proper divisors (125185552088187).

243433400142213 is a wasteful number, since it uses less digits than its factorization.

243433400142213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158147098 (or 158147092 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 243433400142213 its reverse (312241004334342), we get a palindrome (555674404476555).

The spelling of 243433400142213 in words is "two hundred forty-three trillion, four hundred thirty-three billion, four hundred million, one hundred forty-two thousand, two hundred thirteen".