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123342041 = 731689617
BaseRepresentation
bin1110101101000…
…00110011011001
322121002102110202
413112200303121
5223033421131
620123351545
73025250534
oct726406331
9277072422
10123342041
1163694779
12353825b5
131c727174
1412549a1b
15ac65bcb
hex75a0cd9

123342041 has 4 divisors (see below), whose sum is σ = 125031732. Its totient is φ = 121652352.

The previous prime is 123342013. The next prime is 123342047. The reversal of 123342041 is 140243321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54700816 + 68641225 = 7396^2 + 8285^2 .

It is a cyclic number.

It is not a de Polignac number, because 123342041 - 218 = 123079897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123342047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844736 + ... + 844881.

It is an arithmetic number, because the mean of its divisors is an integer number (31257933).

Almost surely, 2123342041 is an apocalyptic number.

It is an amenable number.

123342041 is a deficient number, since it is larger than the sum of its proper divisors (1689691).

123342041 is an equidigital number, since it uses as much as digits as its factorization.

123342041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689690.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 123342041 is about 11105.9462001218. The cubic root of 123342041 is about 497.7795417272.

Adding to 123342041 its reverse (140243321), we get a palindrome (263585362).

The spelling of 123342041 in words is "one hundred twenty-three million, three hundred forty-two thousand, forty-one".

Divisors: 1 73 1689617 123342041