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131423142243223 = 509334377235629
BaseRepresentation
bin11101111000011101010101…
…101101010110101110010111
3122020022221002202012211212001
4131320131111231112232113
5114211214043403240343
61143302542535140131
736453002660163415
oct3570352555265627
9566287082184761
10131423142243223
113896a272669366
12128a6828514647
1358441c28625ac
142464cb21222b5
15102d93e26444d
hex778755b56b97

131423142243223 has 8 divisors (see below), whose sum is σ = 131720732827200. Its totient is φ = 131125706138208.

The previous prime is 131423142243203. The next prime is 131423142243229. The reversal of 131423142243223 is 322342241324131.

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 131423142243223 - 25 = 131423142243191 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 (131423142243229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36916228 + ... + 40319401.

It is an arithmetic number, because the mean of its divisors is an integer number (16465091603400).

Almost surely, 2131423142243223 is an apocalyptic number.

131423142243223 is a deficient number, since it is larger than the sum of its proper divisors (297590583977).

131423142243223 is an equidigital number, since it uses as much as digits as its factorization.

131423142243223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77239481.

The product of its digits is 165888, while the sum is 37.

Adding to 131423142243223 its reverse (322342241324131), we get a palindrome (453765383567354).

The spelling of 131423142243223 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred forty-two million, two hundred forty-three thousand, two hundred twenty-three".

Divisors: 1 509 3343 1701587 77235629 39312935161 258198707747 131423142243223