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23230440552533 = 25579085037369
BaseRepresentation
bin1010100100000110000100…
…01010000011100001010101
310001020210211100021202102212
411102003002022003201111
511021101420240140113
6121223530030243205
74615225654452404
oct522030212034125
9101223740252385
1023230440552533
117446a7a091645
12273226b656505
13cc680c867666
145a4505d9d63b
152a442519c0a8
hex1520c2283855

23230440552533 has 4 divisors (see below), whose sum is σ = 23239525592460. Its totient is φ = 23221355512608.

The previous prime is 23230440552523. The next prime is 23230440552541. The reversal of 23230440552533 is 33525504403232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15893314436164 + 7337126116369 = 3986642^2 + 2708713^2 .

It is a cyclic number.

It is not a de Polignac number, because 23230440552533 - 26 = 23230440552469 is a prime.

It is a super-3 number, since 3×232304405525333 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230440552523) 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, 4542516128 + ... + 4542521241.

It is an arithmetic number, because the mean of its divisors is an integer number (5809881398115).

Almost surely, 223230440552533 is an apocalyptic number.

It is an amenable number.

23230440552533 is a deficient number, since it is larger than the sum of its proper divisors (9085039927).

23230440552533 is an equidigital number, since it uses as much as digits as its factorization.

23230440552533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9085039926.

The product of its (nonzero) digits is 1296000, while the sum is 41.

Adding to 23230440552533 its reverse (33525504403232), we get a palindrome (56755944955765).

The spelling of 23230440552533 in words is "twenty-three trillion, two hundred thirty billion, four hundred forty million, five hundred fifty-two thousand, five hundred thirty-three".

Divisors: 1 2557 9085037369 23230440552533