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143204310423 = 3334313154573
BaseRepresentation
bin1000010101011110100…
…1000101110110010111
3111200122011011201022000
42011113221011312113
54321240300413143
6145442005210343
713226510361126
oct2052751056627
9450564151260
10143204310423
1155807110a79
1223906a009b3
13106726ac775
146d07019abd
153ad21c1bd3
hex2157a45d97

143204310423 has 16 divisors (see below), whose sum is σ = 212162089440. Its totient is φ = 95466140352.

The previous prime is 143204310407. The next prime is 143204310451. The reversal of 143204310423 is 324013402341.

143204310423 is a `hidden beast` number, since 1 + 4 + 3 + 204 + 31 + 0 + 423 = 666.

It is not a de Polignac number, because 143204310423 - 24 = 143204310407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143204312423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849165 + ... + 1003737.

It is an arithmetic number, because the mean of its divisors is an integer number (13260130590).

Almost surely, 2143204310423 is an apocalyptic number.

143204310423 is a deficient number, since it is larger than the sum of its proper divisors (68957779017).

143204310423 is a wasteful number, since it uses less digits than its factorization.

143204310423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188895 (or 188889 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 143204310423 its reverse (324013402341), we get a palindrome (467217712764).

The spelling of 143204310423 in words is "one hundred forty-three billion, two hundred four million, three hundred ten thousand, four hundred twenty-three".

Divisors: 1 3 9 27 34313 102939 154573 308817 463719 926451 1391157 4173471 5303863349 15911590047 47734770141 143204310423