243341240033 has 4 divisors (see below), whose sum is σ = 245703776448. Its totient is φ = 240978703620.

The previous prime is 243341239997. The next prime is 243341240057. The reversal of 243341240033 is 330042143342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243341240033 - 2⁸ = 243341239777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243341239978 and 243341240005.

It is not an unprimeable number, because it can be changed into a prime (243341240333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181268053 + ... + 1181268258.

It is an arithmetic number, because the mean of its divisors is an integer number (61425944112).

Almost surely, 2^243341240033 is an apocalyptic number.

It is an amenable number.

243341240033 is a deficient number, since it is larger than the sum of its proper divisors (2362536415).

243341240033 is a wasteful number, since it uses less digits than its factorization.

243341240033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362536414.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 243341240033 its reverse (330042143342), we get a palindrome (573383383375).

The spelling of 243341240033 in words is "two hundred forty-three billion, three hundred forty-one million, two hundred forty thousand, thirty-three".