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23201233204231 = 44352372986917
BaseRepresentation
bin1010100011001111101010…
…10000110111010000000111
310001011000102211111201210001
411101213311100313100013
511020112111200013411
6121202255511342131
74613143121213425
oct521476520672007
9101130384451701
1023201233204231
11743565131a565
12272867a081947
13cc3b36781844
145a2d34d2a115
152a37b5e47dc1
hex1519f5437407

23201233204231 has 4 divisors (see below), whose sum is σ = 23253606191592. Its totient is φ = 23148860216872.

The previous prime is 23201233204213. The next prime is 23201233204283. The reversal of 23201233204231 is 13240233210232.

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

It is a cyclic number.

It is not a de Polignac number, because 23201233204231 - 25 = 23201233204199 is a prime.

It is a super-2 number, since 2×232012332042312 (a number of 28 digits) contains 22 as substring.

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 23201233204231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201233204211) 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, 26186493016 + ... + 26186493901.

It is an arithmetic number, because the mean of its divisors is an integer number (5813401547898).

Almost surely, 223201233204231 is an apocalyptic number.

23201233204231 is a deficient number, since it is larger than the sum of its proper divisors (52372987361).

23201233204231 is an equidigital number, since it uses as much as digits as its factorization.

23201233204231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52372987360.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 23201233204231 its reverse (13240233210232), we get a palindrome (36441466414463).

The spelling of 23201233204231 in words is "twenty-three trillion, two hundred one billion, two hundred thirty-three million, two hundred four thousand, two hundred thirty-one".

Divisors: 1 443 52372986917 23201233204231