Search a number
-
+
124144321423 = 939713211059
BaseRepresentation
bin111001110011110010…
…1000000001110001111
3102212102211102221201111
41303213211000032033
54013221421241143
6133010415352451
711653261215103
oct1634745001617
9385384387644
10124144321423
1148716262151
1220087822727
13b92599a075
146019907903
153368c3799d
hex1ce794038f

124144321423 has 4 divisors (see below), whose sum is σ = 124157541880. Its totient is φ = 124131100968.

The previous prime is 124144321409. The next prime is 124144321429. The reversal of 124144321423 is 324123441421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324123441421 = 1324932572417.

It is a cyclic number.

It is not a de Polignac number, because 124144321423 - 25 = 124144321391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124144321429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6596133 + ... + 6614926.

It is an arithmetic number, because the mean of its divisors is an integer number (31039385470).

Almost surely, 2124144321423 is an apocalyptic number.

124144321423 is a deficient number, since it is larger than the sum of its proper divisors (13220457).

124144321423 is an equidigital number, since it uses as much as digits as its factorization.

124144321423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13220456.

The product of its digits is 18432, while the sum is 31.

Adding to 124144321423 its reverse (324123441421), we get a palindrome (448267762844).

The spelling of 124144321423 in words is "one hundred twenty-four billion, one hundred forty-four million, three hundred twenty-one thousand, four hundred twenty-three".

Divisors: 1 9397 13211059 124144321423