10340003123 has 4 divisors (see below), whose sum is σ = 10342271760. Its totient is φ = 10337734488.

The previous prime is 10340003111. The next prime is 10340003153. The reversal of 10340003123 is 32130004301.

It is a happy number.

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 10340003123 - 2¹⁴ = 10339986739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10340003153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127468 + ... + 1136601.

It is an arithmetic number, because the mean of its divisors is an integer number (2585567940).

Almost surely, 2^10340003123 is an apocalyptic number.

10340003123 is a deficient number, since it is larger than the sum of its proper divisors (2268637).

10340003123 is an equidigital number, since it uses as much as digits as its factorization.

10340003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268636.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10340003123 its reverse (32130004301), we get a palindrome (42470007424).

The spelling of 10340003123 in words is "ten billion, three hundred forty million, three thousand, one hundred twenty-three".