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123233330023231 = 617193067916127
BaseRepresentation
bin11100000001010001111110…
…110111000100101100111111
3121011022222202122122121100211
4130001101332313010230333
5112123023324441220411
61114032335452333251
734646212541002531
oct3401217667045477
9534288678577324
10123233330023231
11362a1a6412592a
12119a3540a74227
13539bb1250587c
14226074c845851
15e3a8ad47b221
hex70147edc4b3f

123233330023231 has 16 divisors (see below), whose sum is σ = 125468786626560. Its totient is φ = 121004926973280.

The previous prime is 123233330023217. The next prime is 123233330023333. The reversal of 123233330023231 is 132320033332321.

It is a cyclic number.

It is not a de Polignac number, because 123233330023231 - 223 = 123233321634623 is a prime.

It is a super-2 number, since 2×1232333300232312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123233330023193 and 123233330023202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123233330029231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134057490 + ... + 134973616.

It is an arithmetic number, because the mean of its divisors is an integer number (7841799164160).

Almost surely, 2123233330023231 is an apocalyptic number.

123233330023231 is a deficient number, since it is larger than the sum of its proper divisors (2235456603329).

123233330023231 is an equidigital number, since it uses as much as digits as its factorization.

123233330023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919974.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 123233330023231 its reverse (132320033332321), we get a palindrome (255553363355552).

The spelling of 123233330023231 in words is "one hundred twenty-three trillion, two hundred thirty-three billion, three hundred thirty million, twenty-three thousand, two hundred thirty-one".

Divisors: 1 61 719 3067 43859 187087 916127 2205173 55883747 134515553 658695313 2809761509 40180414093 171395452049 2020218524971 123233330023231