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123313243023 = 334567157149
BaseRepresentation
bin111001011011000001…
…0101100001110001111
3102210021220121210111000
41302312002230032033
54010021142234043
6132352130431343
711623550162025
oct1626602541617
9383256553430
10123313243023
114832a1246a3
121ba95432553
13b8227553b9
145d7b3ac715
15331acc22d3
hex1cb60ac38f

123313243023 has 8 divisors (see below), whose sum is σ = 182686286000. Its totient is φ = 82208828664.

The previous prime is 123313242989. The next prime is 123313243037. The reversal of 123313243023 is 320342313321.

123313243023 is a `hidden beast` number, since 1 + 2 + 3 + 31 + 324 + 302 + 3 = 666.

It is not a de Polignac number, because 123313243023 - 225 = 123279688591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4567157149 = 123313243023 / (1 + 2 + 3 + 3 + 1 + 3 + 2 + 4 + 3 + 0 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123313243093) 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 7 ways as a sum of consecutive naturals, for example, 2283578548 + ... + 2283578601.

It is an arithmetic number, because the mean of its divisors is an integer number (22835785750).

Almost surely, 2123313243023 is an apocalyptic number.

123313243023 is a deficient number, since it is larger than the sum of its proper divisors (59373042977).

123313243023 is an equidigital number, since it uses as much as digits as its factorization.

123313243023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4567157158 (or 4567157152 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 123313243023 its reverse (320342313321), we get a palindrome (443655556344).

The spelling of 123313243023 in words is "one hundred twenty-three billion, three hundred thirteen million, two hundred forty-three thousand, twenty-three".

Divisors: 1 3 9 27 4567157149 13701471447 41104414341 123313243023