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12323021203 = 31212823123
BaseRepresentation
bin10110111101000001…
…00110000110010011
31011210210221100010201
423132200212012103
5200214143134303
65354445040031
7614242644343
oct133640460623
934723840121
1012323021203
11525402a249
12247ab56017
131215062c2c
1484c8a4d23
154c1cca81d
hex2de826193

12323021203 has 6 divisors (see below), whose sum is σ = 12733362132. Its totient is φ = 11925503460.

The previous prime is 12323021177. The next prime is 12323021237. The reversal of 12323021203 is 30212032321.

It is not a de Polignac number, because 12323021203 - 213 = 12323013011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12323025203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6410601 + ... + 6412522.

It is an arithmetic number, because the mean of its divisors is an integer number (2122227022).

Almost surely, 212323021203 is an apocalyptic number.

12323021203 is a deficient number, since it is larger than the sum of its proper divisors (410340929).

12323021203 is an equidigital number, since it uses as much as digits as its factorization.

12323021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12823185 (or 12823154 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12323021203 its reverse (30212032321), we get a palindrome (42535053524).

The spelling of 12323021203 in words is "twelve billion, three hundred twenty-three million, twenty-one thousand, two hundred three".

Divisors: 1 31 961 12823123 397516813 12323021203