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123304023 = 3253258499
BaseRepresentation
bin1110101100101…
…11100001010111
322121000111022200
413112113201113
5223031212043
620122455543
73025031643
oct726274127
9277014280
10123304023
1163669157
12353645b3
131c712a7b
1412539c23
15ac597d3
hex7597857

123304023 has 12 divisors (see below), whose sum is σ = 181467000. Its totient is φ = 80651376.

The previous prime is 123304003. The next prime is 123304037. The reversal of 123304023 is 320403321.

It is not a de Polignac number, because 123304023 - 218 = 123041879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123303987 and 123304005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123304003) 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, 128773 + ... + 129726.

It is an arithmetic number, because the mean of its divisors is an integer number (15122250).

Almost surely, 2123304023 is an apocalyptic number.

123304023 is a deficient number, since it is larger than the sum of its proper divisors (58162977).

123304023 is a wasteful number, since it uses less digits than its factorization.

123304023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258558 (or 258555 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 123304023 is about 11104.2344625823. The cubic root of 123304023 is about 497.7283925619.

Adding to 123304023 its reverse (320403321), we get a palindrome (443707344).

The spelling of 123304023 in words is "one hundred twenty-three million, three hundred four thousand, twenty-three".

Divisors: 1 3 9 53 159 477 258499 775497 2326491 13700447 41101341 123304023