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243203223054233 = 1323813388705867
BaseRepresentation
bin110111010011000100101001…
…101101111110011110011001
31011220010000000202212011001102
4313103010221231332132121
5223334120200100213413
62221130003540401145
7102140565405162131
oct6723045155763631
91156100022764042
10243203223054233
11705459a9134682
122333a4b73a61b5
13a591c72356890
14440b155183ac1
151d1b4198c8458
hexdd3129b7e799

243203223054233 has 8 divisors (see below), whose sum is σ = 273298605171648. Its totient is φ = 214734618348624.

The previous prime is 243203223054229. The next prime is 243203223054257. The reversal of 243203223054233 is 332450322302342.

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

It is not a de Polignac number, because 243203223054233 - 22 = 243203223054229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243203223054223) 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, 406694352635 + ... + 406694353232.

It is an arithmetic number, because the mean of its divisors is an integer number (34162325646456).

Almost surely, 2243203223054233 is an apocalyptic number.

243203223054233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

243203223054233 is a deficient number, since it is larger than the sum of its proper divisors (30095382117415).

243203223054233 is a wasteful number, since it uses less digits than its factorization.

243203223054233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813388705903.

The product of its (nonzero) digits is 622080, while the sum is 38.

Adding to 243203223054233 its reverse (332450322302342), we get a palindrome (575653545356575).

The spelling of 243203223054233 in words is "two hundred forty-three trillion, two hundred three billion, two hundred twenty-three million, fifty-four thousand, two hundred thirty-three".

Divisors: 1 13 23 299 813388705867 10574053176271 18707940234941 243203223054233