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123301222001 = 181681222221
BaseRepresentation
bin111001011010101010…
…0110101011001110001
3102210021002000001201222
41302311110311121301
54010010103101001
6132351021034425
711623343044226
oct1626524653161
9383232001658
10123301222001
1148323364071
121ba913b5a15
13b820106979
145d7995d94d
153319bea61b
hex1cb5535671

123301222001 has 4 divisors (see below), whose sum is σ = 123982444404. Its totient is φ = 122619999600.

The previous prime is 123301221977. The next prime is 123301222013. The reversal of 123301222001 is 100222103321.

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 38582387776 + 84718834225 = 196424^2 + 291065^2 .

It is a cyclic number.

It is not a de Polignac number, because 123301222001 - 214 = 123301205617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123301222201) 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, 340610930 + ... + 340611291.

It is an arithmetic number, because the mean of its divisors is an integer number (30995611101).

Almost surely, 2123301222001 is an apocalyptic number.

It is an amenable number.

123301222001 is a deficient number, since it is larger than the sum of its proper divisors (681222403).

123301222001 is an equidigital number, since it uses as much as digits as its factorization.

123301222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681222402.

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

Adding to 123301222001 its reverse (100222103321), we get a palindrome (223523325322).

The spelling of 123301222001 in words is "one hundred twenty-three billion, three hundred one million, two hundred twenty-two thousand, one".

Divisors: 1 181 681222221 123301222001