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144005423 is a prime number
BaseRepresentation
bin10001001010101…
…01100100101111
3101000222020022012
420211111210233
5243331133143
622142311435
73366011612
oct1045254457
9330866265
10144005423
1174318451
124028857b
1323ab0513
14151a8179
15c998418
hex895592f

144005423 has 2 divisors, whose sum is σ = 144005424. Its totient is φ = 144005422.

The previous prime is 144005401. The next prime is 144005441. The reversal of 144005423 is 324500441.

144005423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (324500441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144005423 - 26 = 144005359 is a prime.

It is equal to p8125700 and since 144005423 and 8125700 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144005483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72002711 + 72002712.

It is an arithmetic number, because the mean of its divisors is an integer number (72002712).

Almost surely, 2144005423 is an apocalyptic number.

144005423 is a deficient number, since it is larger than the sum of its proper divisors (1).

144005423 is an equidigital number, since it uses as much as digits as its factorization.

144005423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 144005423 is about 12000.2259562060. The cubic root of 144005423 is about 524.1548585187.

Adding to 144005423 its reverse (324500441), we get a palindrome (468505864).

The spelling of 144005423 in words is "one hundred forty-four million, five thousand, four hundred twenty-three".