243244400133 has 8 divisors (see below), whose sum is σ = 370658133568. Its totient is φ = 138996800064.

The previous prime is 243244400101. The next prime is 243244400167. The reversal of 243244400133 is 331004442342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243244400133 - 2⁵ = 243244400101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243244400133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243242400133) 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, 5791533316 + ... + 5791533357.

It is an arithmetic number, because the mean of its divisors is an integer number (46332266696).

Almost surely, 2^243244400133 is an apocalyptic number.

It is an amenable number.

243244400133 is a deficient number, since it is larger than the sum of its proper divisors (127413733435).

243244400133 is a wasteful number, since it uses less digits than its factorization.

243244400133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11583066683.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 243244400133 its reverse (331004442342), we get a palindrome (574248842475).

The spelling of 243244400133 in words is "two hundred forty-three billion, two hundred forty-four million, four hundred thousand, one hundred thirty-three".