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318743423 is a prime number
BaseRepresentation
bin10010111111111…
…010001101111111
3211012202211202222
4102333322031333
51123044242143
651343435555
710620163055
oct2277721577
9735684688
10318743423
11153a16719
128a8b5bbb
135106129b
14304921d5
151ceb2768
hex12ffa37f

318743423 has 2 divisors, whose sum is σ = 318743424. Its totient is φ = 318743422.

The previous prime is 318743393. The next prime is 318743461. The reversal of 318743423 is 324347813.

It is a weak prime.

It is an emirp because it is prime and its reverse (324347813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318743423 - 210 = 318742399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318743473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159371711 + 159371712.

It is an arithmetic number, because the mean of its divisors is an integer number (159371712).

Almost surely, 2318743423 is an apocalyptic number.

318743423 is a deficient number, since it is larger than the sum of its proper divisors (1).

318743423 is an equidigital number, since it uses as much as digits as its factorization.

318743423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

The square root of 318743423 is about 17853.3868775647. The cubic root of 318743423 is about 683.0939057016.

The spelling of 318743423 in words is "three hundred eighteen million, seven hundred forty-three thousand, four hundred twenty-three".