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13112323 = 72323541
BaseRepresentation
bin110010000001…
…010000000011
3220200011201121
4302001100003
511324043243
61145013111
7216311230
oct62012003
926604647
1013112323
117446534
124484197
132941393
141a54787
1512401ed
hexc81403

13112323 has 12 divisors (see below), whose sum is σ = 15669808. Its totient is φ = 10747440.

The previous prime is 13112273. The next prime is 13112329. The reversal of 13112323 is 32321131.

13112323 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13112323 - 221 = 11015171 is a prime.

13112323 is a modest number, since divided by 2323 gives 1311 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 13112297 and 13112306.

It is not an unprimeable number, because it can be changed into a prime (13112329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1933 + ... + 5473.

Almost surely, 213112323 is an apocalyptic number.

13112323 is a deficient number, since it is larger than the sum of its proper divisors (2557485).

13112323 is an equidigital number, since it uses as much as digits as its factorization.

13112323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594 (or 3571 counting only the distinct ones).

The product of its digits is 108, while the sum is 16.

The square root of 13112323 is about 3621.0941716559. The cubic root of 13112323 is about 235.8087301627.

Adding to 13112323 its reverse (32321131), we get a palindrome (45433454).

The spelling of 13112323 in words is "thirteen million, one hundred twelve thousand, three hundred twenty-three".

Divisors: 1 7 23 161 529 3541 3703 24787 81443 570101 1873189 13112323