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12143230003 = 29341444471
BaseRepresentation
bin10110100111100101…
…01111110000110011
31011100021121222222101
423103302233300303
5144332131330003
65324543321231
7606630515632
oct132362576063
934307558871
1012143230003
11517159a483
12242a8b0217
1311b6a330c8
14832a63519
154b111411d
hex2d3cafc33

12143230003 has 4 divisors (see below), whose sum is σ = 12184674768. Its totient is φ = 12101785240.

The previous prime is 12143229979. The next prime is 12143230027. The reversal of 12143230003 is 30003234121.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12143229979) and next prime (12143230027).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12143230003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12143230093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20721943 + ... + 20722528.

It is an arithmetic number, because the mean of its divisors is an integer number (3046168692).

Almost surely, 212143230003 is an apocalyptic number.

12143230003 is a deficient number, since it is larger than the sum of its proper divisors (41444765).

12143230003 is an equidigital number, since it uses as much as digits as its factorization.

12143230003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41444764.

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

Adding to 12143230003 its reverse (30003234121), we get a palindrome (42146464124).

The spelling of 12143230003 in words is "twelve billion, one hundred forty-three million, two hundred thirty thousand, three".

Divisors: 1 293 41444471 12143230003