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13232321123 = 71890331589
BaseRepresentation
bin11000101001011010…
…10011001001100011
31021011011221120010112
430110231103021203
5204044433233443
610025010321535
7645623605460
oct142455231143
937134846115
1013232321123
11568033378a
1226935892ab
13132b564618
148d7562667
15526a42b18
hex314b53263

13232321123 has 4 divisors (see below), whose sum is σ = 15122652720. Its totient is φ = 11341989528.

The previous prime is 13232321083. The next prime is 13232321143. The reversal of 13232321123 is 32112323231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13232321123 - 232 = 8937353827 is a prime.

It is a super-2 number, since 2×132323211232 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13232321143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945165788 + ... + 945165801.

It is an arithmetic number, because the mean of its divisors is an integer number (3780663180).

Almost surely, 213232321123 is an apocalyptic number.

13232321123 is a deficient number, since it is larger than the sum of its proper divisors (1890331597).

13232321123 is an equidigital number, since it uses as much as digits as its factorization.

13232321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890331596.

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

Adding to 13232321123 its reverse (32112323231), we get a palindrome (45344644354).

The spelling of 13232321123 in words is "thirteen billion, two hundred thirty-two million, three hundred twenty-one thousand, one hundred twenty-three".

Divisors: 1 7 1890331589 13232321123