[go: up one dir, main page]

Search a number
-
+
127423 is a prime number
BaseRepresentation
bin11111000110111111
320110210101
4133012333
513034143
62421531
71040332
oct370677
9213711
10127423
118780a
12618a7
1345cca
1434619
1527b4d
hex1f1bf

127423 has 2 divisors, whose sum is σ = 127424. Its totient is φ = 127422.

The previous prime is 127403. The next prime is 127447. The reversal of 127423 is 324721.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-127423 is a prime.

127423 is a lucky number.

It is equal to p11935 and since 127423 and 11935 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63711 + 63712.

It is an arithmetic number, because the mean of its divisors is an integer number (63712).

2127423 is an apocalyptic number.

127423 is a deficient number, since it is larger than the sum of its proper divisors (1).

127423 is an equidigital number, since it uses as much as digits as its factorization.

127423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 19.

The square root of 127423 is about 356.9635835768. The cubic root of 127423 is about 50.3210014182.

It can be divided in two parts, 12742 and 3, that multiplied together give a triangular number (38226 = T276).

The spelling of 127423 in words is "one hundred twenty-seven thousand, four hundred twenty-three", and thus it is an iban number.