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123023045331 = 3249927393241
BaseRepresentation
bin111001010010010111…
…1101011001011010011
3102202112200120020002100
41302210233223023103
54003422344422311
6132303242451443
711613424426434
oct1624457531323
9382480506070
10123023045331
11481a033589a
121ba14203b83
13b7a75aa1a4
145d50a2b48b
15330059ca56
hex1ca4beb2d3

123023045331 has 12 divisors (see below), whose sum is σ = 178056073000. Its totient is φ = 81851001120.

The previous prime is 123023045317. The next prime is 123023045351. The reversal of 123023045331 is 133540320321.

123023045331 is a `hidden beast` number, since 1 + 2 + 302 + 304 + 53 + 3 + 1 = 666.

It is not a de Polignac number, because 123023045331 - 27 = 123023045203 is a prime.

It is a super-2 number, since 2×1230230453312 (a number of 23 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 = 123023045295 and 123023045304.

It is not an unprimeable number, because it can be changed into a prime (123023045351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13692130 + ... + 13701111.

Almost surely, 2123023045331 is an apocalyptic number.

123023045331 is a deficient number, since it is larger than the sum of its proper divisors (55033027669).

123023045331 is a wasteful number, since it uses less digits than its factorization.

123023045331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27393746 (or 27393743 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 123023045331 its reverse (133540320321), we get a palindrome (256563365652).

The spelling of 123023045331 in words is "one hundred twenty-three billion, twenty-three million, forty-five thousand, three hundred thirty-one".

Divisors: 1 3 9 499 1497 4491 27393241 82179723 246539169 13669227259 41007681777 123023045331