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144123123 = 33113911149
BaseRepresentation
bin10001001011100…
…10010011110011
3101001012012202110
420211302103303
5243343414443
622145020403
73400012014
oct1045622363
9331165673
10144123123
1174398921
1240324703
1323b21c71
14151d900b
15c9bd233
hex89724f3

144123123 has 16 divisors (see below), whose sum is σ = 199808000. Its totient is φ = 92305440.

The previous prime is 144123121. The next prime is 144123139. The reversal of 144123123 is 321321441.

144123123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144123123 - 21 = 144123121 is a prime.

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 144123123.

It is not an unprimeable number, because it can be changed into a prime (144123121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7353 + ... + 18501.

It is an arithmetic number, because the mean of its divisors is an integer number (12488000).

Almost surely, 2144123123 is an apocalyptic number.

144123123 is a deficient number, since it is larger than the sum of its proper divisors (55684877).

144123123 is a wasteful number, since it uses less digits than its factorization.

144123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11322.

The product of its digits is 576, while the sum is 21.

The square root of 144123123 is about 12005.1290288776. The cubic root of 144123123 is about 524.2976221854.

Adding to 144123123 its reverse (321321441), we get a palindrome (465444564).

The spelling of 144123123 in words is "one hundred forty-four million, one hundred twenty-three thousand, one hundred twenty-three".

Divisors: 1 3 31 93 139 417 4309 11149 12927 33447 345619 1036857 1549711 4649133 48041041 144123123