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123316801 = 582721163
BaseRepresentation
bin1110101100110…
…10101001000001
322121001010211221
413112122221001
5223032114201
620123035041
73025114126
oct726325101
9277033757
10123316801
1163677813
123536ba81
131c71882a
141254074d
15ac5d4a1
hex759aa41

123316801 has 4 divisors (see below), whose sum is σ = 123343792. Its totient is φ = 123289812.

The previous prime is 123316741. The next prime is 123316813. The reversal of 123316801 is 108613321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123316801 - 217 = 123185729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123316841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4755 + ... + 16408.

It is an arithmetic number, because the mean of its divisors is an integer number (30835948).

Almost surely, 2123316801 is an apocalyptic number.

It is an amenable number.

123316801 is a deficient number, since it is larger than the sum of its proper divisors (26991).

123316801 is an equidigital number, since it uses as much as digits as its factorization.

123316801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26990.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 123316801 is about 11104.8098137699. The cubic root of 123316801 is about 497.7455851713.

The spelling of 123316801 in words is "one hundred twenty-three million, three hundred sixteen thousand, eight hundred one".

Divisors: 1 5827 21163 123316801