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315077423 is a prime number
BaseRepresentation
bin10010110001111…
…011001100101111
3210221212120222012
4102301323030233
51121124434143
651133111435
710544054033
oct2261731457
9727776865
10315077423
11151942371
128962857b
135037975b
142dbba1c3
151c9db418
hex12c7b32f

315077423 has 2 divisors, whose sum is σ = 315077424. Its totient is φ = 315077422.

The previous prime is 315077407. The next prime is 315077429. The reversal of 315077423 is 324770513.

It is a strong prime.

It is an emirp because it is prime and its reverse (324770513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315077423 - 24 = 315077407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315077423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315077429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157538711 + 157538712.

It is an arithmetic number, because the mean of its divisors is an integer number (157538712).

Almost surely, 2315077423 is an apocalyptic number.

315077423 is a deficient number, since it is larger than the sum of its proper divisors (1).

315077423 is an equidigital number, since it uses as much as digits as its factorization.

315077423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 315077423 is about 17750.4203612196. The cubic root of 315077423 is about 680.4649523435.

The spelling of 315077423 in words is "three hundred fifteen million, seventy-seven thousand, four hundred twenty-three".