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123344213103 = 344391346793
BaseRepresentation
bin111001011011111100…
…0110101010001101111
3102210101001220020110000
41302313320311101233
54010102104304403
6132355154315343
711624404340556
oct1626770652157
9383331806400
10123344213103
1148345657a01
121baa3888b53
13b828ca9aa7
145d81550d9d
15331d88d7a3
hex1cb7e3546f

123344213103 has 20 divisors (see below), whose sum is σ = 184297429008. Its totient is φ = 82210511520.

The previous prime is 123344213101. The next prime is 123344213107. The reversal of 123344213103 is 301312443321.

It is a happy number.

123344213103 is a `hidden beast` number, since 1 + 2 + 3 + 344 + 2 + 1 + 310 + 3 = 666.

It is not a de Polignac number, because 123344213103 - 21 = 123344213101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123344213101) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 182275 + ... + 529067.

Almost surely, 2123344213103 is an apocalyptic number.

123344213103 is a deficient number, since it is larger than the sum of its proper divisors (60953215905).

123344213103 is an equidigital number, since it uses as much as digits as its factorization.

123344213103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351196 (or 351187 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 123344213103 its reverse (301312443321), we get a palindrome (424656656424).

The spelling of 123344213103 in words is "one hundred twenty-three billion, three hundred forty-four million, two hundred thirteen thousand, one hundred three".

Divisors: 1 3 9 27 81 4391 13173 39519 118557 346793 355671 1040379 3121137 9363411 28090233 1522768063 4568304189 13704912567 41114737701 123344213103