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12313332223 = 19909171287
BaseRepresentation
bin10110111011110111…
…01000100111111111
31011210010201002100121
423131323220213333
5200204203112343
65353501235411
7614064411523
oct133573504777
934703632317
1012313332223
115249611825
122477862b67
13121304caca
1484b4a1d83
154c1014aed
hex2ddee89ff

12313332223 has 8 divisors (see below), whose sum is σ = 12963009920. Its totient is φ = 11663815320.

The previous prime is 12313332221. The next prime is 12313332247. The reversal of 12313332223 is 32223331321.

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 12313332223 - 21 = 12313332221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313332221) 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, 137086 + ... + 208372.

It is an arithmetic number, because the mean of its divisors is an integer number (1620376240).

Almost surely, 212313332223 is an apocalyptic number.

12313332223 is a deficient number, since it is larger than the sum of its proper divisors (649677697).

12313332223 is an equidigital number, since it uses as much as digits as its factorization.

12313332223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80397.

The product of its digits is 3888, while the sum is 25.

Adding to 12313332223 its reverse (32223331321), we get a palindrome (44536663544).

The spelling of 12313332223 in words is "twelve billion, three hundred thirteen million, three hundred thirty-two thousand, two hundred twenty-three".

Divisors: 1 19 9091 71287 172729 1354453 648070117 12313332223