243215415232133 has 8 divisors (see below), whose sum is σ = 256016811354720. Its totient is φ = 230414077589040.

The previous prime is 243215415232007. The next prime is 243215415232169. The reversal of 243215415232133 is 331232514512342.

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 243215415232133 - 2¹⁶ = 243215415166597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243215415232733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5951198 + ... + 22843983.

It is an arithmetic number, because the mean of its divisors is an integer number (32002101419340).

Almost surely, 2^{243215415232133} is an apocalyptic number.

It is an amenable number.

243215415232133 is a deficient number, since it is larger than the sum of its proper divisors (12801396122587).

243215415232133 is a wasteful number, since it uses less digits than its factorization.

243215415232133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29239747.

The product of its digits is 518400, while the sum is 41.

Adding to 243215415232133 its reverse (331232514512342), we get a palindrome (574447929744475).

The spelling of 243215415232133 in words is "two hundred forty-three trillion, two hundred fifteen billion, four hundred fifteen million, two hundred thirty-two thousand, one hundred thirty-three".