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123320141 = 773373647
BaseRepresentation
bin1110101100110…
…11011101001101
322121001022102122
413112123131031
5223032221031
620123102325
73025126640
oct726333515
9277038378
10123320141
116367a27a
12353719a5
131c71a1c9
1412541a57
15ac5e47b
hex759b74d

123320141 has 16 divisors (see below), whose sum is σ = 143472384. Its totient is φ = 103814784.

The previous prime is 123320137. The next prime is 123320147. The reversal of 123320141 is 141023321.

It is a cyclic number.

It is not a de Polignac number, because 123320141 - 22 = 123320137 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 (123320147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190280 + ... + 190926.

It is an arithmetic number, because the mean of its divisors is an integer number (8967024).

Almost surely, 2123320141 is an apocalyptic number.

It is an amenable number.

123320141 is a deficient number, since it is larger than the sum of its proper divisors (20152243).

123320141 is an equidigital number, since it uses as much as digits as its factorization.

123320141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 123320141 is about 11104.9601980376. The cubic root of 123320141 is about 497.7500788960.

Adding to 123320141 its reverse (141023321), we get a palindrome (264343462).

The spelling of 123320141 in words is "one hundred twenty-three million, three hundred twenty thousand, one hundred forty-one".

Divisors: 1 7 73 373 511 647 2611 4529 27229 47231 190603 241331 330617 1689317 17617163 123320141