12343201305 has 32 divisors (see below), whose sum is σ = 21049383168. Its totient is φ = 6154752000.

The previous prime is 12343201261. The next prime is 12343201307. The reversal of 12343201305 is 50310234321.

It is not a de Polignac number, because 12343201305 - 2¹¹ = 12343199257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12343201307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121776 + ... + 198785.

It is an arithmetic number, because the mean of its divisors is an integer number (657793224).

Almost surely, 2^12343201305 is an apocalyptic number.

12343201305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12343201305 is a deficient number, since it is larger than the sum of its proper divisors (8706181863).

12343201305 is a wasteful number, since it uses less digits than its factorization.

12343201305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320737.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 12343201305 its reverse (50310234321), we get a palindrome (62653435626).

The spelling of 12343201305 in words is "twelve billion, three hundred forty-three million, two hundred one thousand, three hundred five".