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2223104423 = 13915993557
BaseRepresentation
bin1000010010000001…
…1110000110100111
312201221011101221212
42010200132012213
514023103320143
61004332502035
7106043035001
oct20440360647
95657141855
102223104423
11a40980291
1252061a91b
13295760b07
14171373371
15d0282918
hex8481e1a7

2223104423 has 4 divisors (see below), whose sum is σ = 2239098120. Its totient is φ = 2207110728.

The previous prime is 2223104369. The next prime is 2223104431. The reversal of 2223104423 is 3244013222.

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

It is a cyclic number.

It is not a de Polignac number, because 2223104423 - 214 = 2223088039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223104473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7996640 + ... + 7996917.

It is an arithmetic number, because the mean of its divisors is an integer number (559774530).

Almost surely, 22223104423 is an apocalyptic number.

2223104423 is a deficient number, since it is larger than the sum of its proper divisors (15993697).

2223104423 is a wasteful number, since it uses less digits than its factorization.

2223104423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15993696.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2223104423 is about 47149.8083028977. The cubic root of 2223104423 is about 1305.1285425071.

Adding to 2223104423 its reverse (3244013222), we get a palindrome (5467117645).

The spelling of 2223104423 in words is "two billion, two hundred twenty-three million, one hundred four thousand, four hundred twenty-three".

Divisors: 1 139 15993557 2223104423