243121423322233 has 8 divisors (see below), whose sum is σ = 244782833212800. Its totient is φ = 241465381477488.

The previous prime is 243121423322189. The next prime is 243121423322249. The reversal of 243121423322233 is 332223324121342.

It is a happy number.

243121423322233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 243121423322233 - 2³⁷ = 242983984368761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243121423322192 and 243121423322201.

It is not an unprimeable number, because it can be changed into a prime (243121423320233) 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, 1341920566 + ... + 1342101727.

It is an arithmetic number, because the mean of its divisors is an integer number (30597854151600).

Almost surely, 2^{243121423322233} is an apocalyptic number.

It is an amenable number.

243121423322233 is a deficient number, since it is larger than the sum of its proper divisors (1661409890567).

243121423322233 is a wasteful number, since it uses less digits than its factorization.

243121423322233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684022911.

The product of its digits is 248832, while the sum is 37.

Adding to 243121423322233 its reverse (332223324121342), we get a palindrome (575344747443575).

The spelling of 243121423322233 in words is "two hundred forty-three trillion, one hundred twenty-one billion, four hundred twenty-three million, three hundred twenty-two thousand, two hundred thirty-three".