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123444231106 = 2723561374239
BaseRepresentation
bin111001011110111011…
…0010111101111000010
3102210122001002200100111
41302331312113233002
54010303210343411
6132413130141534
711630030436340
oct1627566275702
9383561080314
10123444231106
1148397060a09
121bb112818aa
13b843928841
145d90948990
153327548721
hex1cbdd97bc2

123444231106 has 16 divisors (see below), whose sum is σ = 211628229120. Its totient is φ = 52902283680.

The previous prime is 123444231091. The next prime is 123444231133. The reversal of 123444231106 is 601132444321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142735 + ... + 516973.

It is an arithmetic number, because the mean of its divisors is an integer number (13226764320).

Almost surely, 2123444231106 is an apocalyptic number.

123444231106 is a deficient number, since it is larger than the sum of its proper divisors (88183998014).

123444231106 is a wasteful number, since it uses less digits than its factorization.

123444231106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397809.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 123444231106 its reverse (601132444321), we get a palindrome (724576675427).

The spelling of 123444231106 in words is "one hundred twenty-three billion, four hundred forty-four million, two hundred thirty-one thousand, one hundred six".

Divisors: 1 2 7 14 23561 47122 164927 329854 374239 748478 2619673 5239346 8817445079 17634890158 61722115553 123444231106