10340323121 has 4 divisors (see below), whose sum is σ = 10344803700. Its totient is φ = 10335842544.

The previous prime is 10340323099. The next prime is 10340323159. The reversal of 10340323121 is 12132304301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8906640625 + 1433682496 = 94375^2 + 37864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10340323121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10340323093 and 10340323102.

It is not an unprimeable number, because it can be changed into a prime (10340323171) 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, 2236826 + ... + 2241443.

It is an arithmetic number, because the mean of its divisors is an integer number (2586200925).

Almost surely, 2^10340323121 is an apocalyptic number.

It is an amenable number.

10340323121 is a deficient number, since it is larger than the sum of its proper divisors (4480579).

10340323121 is an equidigital number, since it uses as much as digits as its factorization.

10340323121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480578.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10340323121 its reverse (12132304301), we get a palindrome (22472627422).

The spelling of 10340323121 in words is "ten billion, three hundred forty million, three hundred twenty-three thousand, one hundred twenty-one".