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13230303123 = 330491446409
BaseRepresentation
bin11000101001001011…
…00110011110010011
31021011001011000221210
430110211212132103
5204043424144443
610024455151203
7645600502212
oct142445463623
937131130853
1013230303123
11567a185614
122692975503
13132b008c3b
148d7199079
15526794c33
hex314966793

13230303123 has 8 divisors (see below), whose sum is σ = 17646202000. Its totient is φ = 8817303168.

The previous prime is 13230303113. The next prime is 13230303181. The reversal of 13230303123 is 32130303231.

13230303123 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 not a de Polignac number, because 13230303123 - 26 = 13230303059 is a prime.

It is a super-3 number, since 3×132303031233 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13230303123.

It is not an unprimeable number, because it can be changed into a prime (13230303113) 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, 714058 + ... + 732351.

It is an arithmetic number, because the mean of its divisors is an integer number (2205775250).

Almost surely, 213230303123 is an apocalyptic number.

13230303123 is a deficient number, since it is larger than the sum of its proper divisors (4415898877).

13230303123 is a wasteful number, since it uses less digits than its factorization.

13230303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449461.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13230303123 its reverse (32130303231), we get a palindrome (45360606354).

The spelling of 13230303123 in words is "thirteen billion, two hundred thirty million, three hundred three thousand, one hundred twenty-three".

Divisors: 1 3 3049 9147 1446409 4339227 4410101041 13230303123