Search a number
-
+
12343110223 = 97127248559
BaseRepresentation
bin10110111111011010…
…01110101001001111
31011212012201222002111
423133231032221033
5200234314011343
65400443404451
7614605464043
oct133755165117
934765658074
1012343110223
115264400444
122485823727
131219277a22
14851414023
154c3947c9d
hex2dfb4ea4f

12343110223 has 4 divisors (see below), whose sum is σ = 12470358880. Its totient is φ = 12215861568.

The previous prime is 12343110107. The next prime is 12343110271. The reversal of 12343110223 is 32201134321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32201134321 = 211152612011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12343110223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12343110194 and 12343110203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343110293) 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, 63624183 + ... + 63624376.

It is an arithmetic number, because the mean of its divisors is an integer number (3117589720).

Almost surely, 212343110223 is an apocalyptic number.

12343110223 is a deficient number, since it is larger than the sum of its proper divisors (127248657).

12343110223 is an equidigital number, since it uses as much as digits as its factorization.

12343110223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127248656.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12343110223 its reverse (32201134321), we get a palindrome (44544244544).

The spelling of 12343110223 in words is "twelve billion, three hundred forty-three million, one hundred ten thousand, two hundred twenty-three".

Divisors: 1 97 127248559 12343110223