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12423143321 = 173199935923
BaseRepresentation
bin10111001000111101…
…00001111110011001
31012001210100001212022
423210132201332121
5200420311041241
65412423024225
7616566655511
oct134436417631
935053301768
1012423143321
1152a55a44a6
1224a859b075
13122ca1a1a4
1485bcc8841
154ca9a654b
hex2e47a1f99

12423143321 has 8 divisors (see below), whose sum is σ = 12501552000. Its totient is φ = 12344810832.

The previous prime is 12423143233. The next prime is 12423143333. The reversal of 12423143321 is 12334132421.

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 12423143321 - 210 = 12423142297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12423143921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327866 + ... + 363788.

It is an arithmetic number, because the mean of its divisors is an integer number (1562694000).

Almost surely, 212423143321 is an apocalyptic number.

It is an amenable number.

12423143321 is a deficient number, since it is larger than the sum of its proper divisors (78408679).

12423143321 is a wasteful number, since it uses less digits than its factorization.

12423143321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38095.

The product of its digits is 3456, while the sum is 26.

Adding to 12423143321 its reverse (12334132421), we get a palindrome (24757275742).

The spelling of 12423143321 in words is "twelve billion, four hundred twenty-three million, one hundred forty-three thousand, three hundred twenty-one".

Divisors: 1 173 1999 35923 345827 6214679 71810077 12423143321