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143200423 = 1311093133
BaseRepresentation
bin10001000100100…
…01000010100111
3100222110100001101
420202101002213
5243124403143
622113140531
73356116642
oct1042210247
9328410041
10143200423
1173918663
123bb5a747
132388aca2
1415038a59
15c889b4d
hex88910a7

143200423 has 4 divisors (see below), whose sum is σ = 144293688. Its totient is φ = 142107160.

The previous prime is 143200417. The next prime is 143200427. The reversal of 143200423 is 324002341.

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 143200423 - 25 = 143200391 is a prime.

It is a super-2 number, since 2×1432004232 = 41012722294757858, which 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 143200423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143200427) 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, 546436 + ... + 546697.

It is an arithmetic number, because the mean of its divisors is an integer number (36073422).

Almost surely, 2143200423 is an apocalyptic number.

143200423 is a deficient number, since it is larger than the sum of its proper divisors (1093265).

143200423 is a wasteful number, since it uses less digits than its factorization.

143200423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093264.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 143200423 is about 11966.6379154715. The cubic root of 143200423 is about 523.1763459596.

Adding to 143200423 its reverse (324002341), we get a palindrome (467202764).

The spelling of 143200423 in words is "one hundred forty-three million, two hundred thousand, four hundred twenty-three".

Divisors: 1 131 1093133 143200423