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231423432223223 = 438960471239149
BaseRepresentation
bin110100100111101001110111…
…011110000110100111110111
31010100101212022220011212220202
4310213221313132012213313
5220313120142122120343
62140110242421151115
766513535250203502
oct6447516736064767
91110355286155822
10231423432223223
1167814143325829
1221b574b325b49b
139c1919caa8626
144120d4d65a139
151bb4cc4213db8
hexd27a777869f7

231423432223223 has 8 divisors (see below), whose sum is σ = 239466107034000. Its totient is φ = 223501699891008.

The previous prime is 231423432223219. The next prime is 231423432223241. The reversal of 231423432223223 is 322322234324132.

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 231423432223223 - 22 = 231423432223219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231423432226223) 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, 30235615748 + ... + 30235623401.

It is an arithmetic number, because the mean of its divisors is an integer number (29933263379250).

Almost surely, 2231423432223223 is an apocalyptic number.

231423432223223 is a deficient number, since it is larger than the sum of its proper divisors (8042674810777).

231423432223223 is an equidigital number, since it uses as much as digits as its factorization.

231423432223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60471239281.

The product of its digits is 497664, while the sum is 38.

Adding to 231423432223223 its reverse (322322234324132), we get a palindrome (553745666547355).

The spelling of 231423432223223 in words is "two hundred thirty-one trillion, four hundred twenty-three billion, four hundred thirty-two million, two hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 43 89 3827 60471239149 2600263283407 5381940284261 231423432223223