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123033230131 = 741719596227
BaseRepresentation
bin111001010010101011…
…0100001101100110011
3102202120101201200000011
41302211112201230303
54003433001331011
6132304245035351
711613610125640
oct1624526415463
9382511650004
10123033230131
11481a6061889
121ba176b5b57
13b7a9734bb6
145d5211cdc7
153301410621
hex1ca55a1b33

123033230131 has 16 divisors (see below), whose sum is σ = 144239477760. Its totient is φ = 102741664320.

The previous prime is 123033230129. The next prime is 123033230149. The reversal of 123033230131 is 131032330321.

It is a cyclic number.

It is not a de Polignac number, because 123033230131 - 21 = 123033230129 is a prime.

It is a super-2 number, since 2×1230332301312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123033230231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91761 + ... + 504466.

It is an arithmetic number, because the mean of its divisors is an integer number (9014967360).

Almost surely, 2123033230131 is an apocalyptic number.

123033230131 is a deficient number, since it is larger than the sum of its proper divisors (21206247629).

123033230131 is an equidigital number, since it uses as much as digits as its factorization.

123033230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596994.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123033230131 its reverse (131032330321), we get a palindrome (254065560452).

The spelling of 123033230131 in words is "one hundred twenty-three billion, thirty-three million, two hundred thirty thousand, one hundred thirty-one".

Divisors: 1 7 41 287 719 5033 29479 206353 596227 4173589 24445307 171117149 428687213 3000810491 17576175733 123033230131