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12231303223 = 137321434157
BaseRepresentation
bin10110110010000101…
…01110000000110111
31011120102100120201111
423121002232000313
5200022203200343
65341411135451
7612050235106
oct133102560067
934512316644
1012231303223
115207285167
1224542a4587
1311cc05c039
1484062c03d
154b8c0ec9d
hex2d90ae037

12231303223 has 8 divisors (see below), whose sum is σ = 12248869248. Its totient is φ = 12213752544.

The previous prime is 12231303221. The next prime is 12231303247. The reversal of 12231303223 is 32230313221.

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 12231303223 - 21 = 12231303221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12231303194 and 12231303203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231303221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2940261 + ... + 2944417.

It is an arithmetic number, because the mean of its divisors is an integer number (1531108656).

Almost surely, 212231303223 is an apocalyptic number.

12231303223 is a deficient number, since it is larger than the sum of its proper divisors (17566025).

12231303223 is a wasteful number, since it uses less digits than its factorization.

12231303223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12231303223 its reverse (32230313221), we get a palindrome (44461616444).

The spelling of 12231303223 in words is "twelve billion, two hundred thirty-one million, three hundred three thousand, two hundred twenty-three".

Divisors: 1 1373 2143 4157 2942339 5707561 8908451 12231303223