Search a number
-
+
12321331223 = 191414945833
BaseRepresentation
bin10110111100110100…
…01001100000010111
31011210200202110220212
423132122021200113
5200213230044343
65354344520035
7614222405315
oct133632114027
934720673825
1012321331223
115253085573
12247a48001b
1312148c0946
1484c5850b5
154c1a94c18
hex2de689817

12321331223 has 8 divisors (see below), whose sum is σ = 12971022000. Its totient is φ = 11671760448.

The previous prime is 12321331133. The next prime is 12321331249. The reversal of 12321331223 is 32213312321.

12321331223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12321331223 - 210 = 12321330199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321331283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245915 + ... + 291747.

It is an arithmetic number, because the mean of its divisors is an integer number (1621377750).

Almost surely, 212321331223 is an apocalyptic number.

12321331223 is a deficient number, since it is larger than the sum of its proper divisors (649690777).

12321331223 is a wasteful number, since it uses less digits than its factorization.

12321331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60001.

The product of its digits is 1296, while the sum is 23.

Adding to 12321331223 its reverse (32213312321), we get a palindrome (44534643544).

The spelling of 12321331223 in words is "twelve billion, three hundred twenty-one million, three hundred thirty-one thousand, two hundred twenty-three".

Divisors: 1 19 14149 45833 268831 870827 648491117 12321331223