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123352201 = 717621743
BaseRepresentation
bin1110101101000…
…11010010001001
322121002221102001
413112203102021
5223034232301
620123511001
73025322260
oct726432211
9277087361
10123352201
11636a1375
1235388461
131c72b98b
141254d5d7
15ac68c01
hex75a3489

123352201 has 4 divisors (see below), whose sum is σ = 140973952. Its totient is φ = 105730452.

The previous prime is 123352189. The next prime is 123352213. The reversal of 123352201 is 102253321.

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 an interprime number because it is at equal distance from previous prime (123352189) and next prime (123352213).

It is a cyclic number.

It is not a de Polignac number, because 123352201 - 25 = 123352169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123352001) 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, 8810865 + ... + 8810878.

It is an arithmetic number, because the mean of its divisors is an integer number (35243488).

Almost surely, 2123352201 is an apocalyptic number.

It is an amenable number.

123352201 is a deficient number, since it is larger than the sum of its proper divisors (17621751).

123352201 is an equidigital number, since it uses as much as digits as its factorization.

123352201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17621750.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 123352201 is about 11106.4036033272. The cubic root of 123352201 is about 497.7932091441.

The spelling of 123352201 in words is "one hundred twenty-three million, three hundred fifty-two thousand, two hundred one".

Divisors: 1 7 17621743 123352201