12340303113 has 4 divisors (see below), whose sum is σ = 16453737488. Its totient is φ = 8226868740.

The previous prime is 12340303109. The next prime is 12340303121. The reversal of 12340303113 is 31130304321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31130304321 = 3 ⋅10376768107.

It is not a de Polignac number, because 12340303113 - 2² = 12340303109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12340303113.

It is not an unprimeable number, because it can be changed into a prime (12340303153) 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, 2056717183 + ... + 2056717188.

It is an arithmetic number, because the mean of its divisors is an integer number (4113434372).

Almost surely, 2^12340303113 is an apocalyptic number.

It is an amenable number.

12340303113 is a deficient number, since it is larger than the sum of its proper divisors (4113434375).

12340303113 is an equidigital number, since it uses as much as digits as its factorization.

12340303113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113434374.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12340303113 its reverse (31130304321), we get a palindrome (43470607434).

The spelling of 12340303113 in words is "twelve billion, three hundred forty million, three hundred three thousand, one hundred thirteen".