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123200102011 = 775723249689
BaseRepresentation
bin111001010111101001…
…1000101111001111011
3102210000000201122012011
41302233103011321323
54004303211231021
6132333005430351
711621004405610
oct1625723057173
9383000648164
10123200102011
1148281278128
121ba6356b3b7
13b80519045c
145d6a35a507
153310dc3de1
hex1caf4c5e7b

123200102011 has 8 divisors (see below), whose sum is σ = 140986120160. Its totient is φ = 105460584768.

The previous prime is 123200101963. The next prime is 123200102033. The reversal of 123200102011 is 110201002321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123200102011 - 29 = 123200101499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123200101982 and 123200102000.

It is not an unprimeable number, because it can be changed into a prime (123200102111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11619546 + ... + 11630143.

It is an arithmetic number, because the mean of its divisors is an integer number (17623265020).

Almost surely, 2123200102011 is an apocalyptic number.

123200102011 is a deficient number, since it is larger than the sum of its proper divisors (17786018149).

123200102011 is an equidigital number, since it uses as much as digits as its factorization.

123200102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23250453.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 123200102011 its reverse (110201002321), we get a palindrome (233401104332).

The spelling of 123200102011 in words is "one hundred twenty-three billion, two hundred million, one hundred two thousand, eleven".

Divisors: 1 7 757 5299 23249689 162747823 17600014573 123200102011