10340521123 has 2 divisors, whose sum is σ = 10340521124. Its totient is φ = 10340521122.

The previous prime is 10340521117. The next prime is 10340521141. The reversal of 10340521123 is 32112504301.

It is a happy number.

10340521123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (32112504301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10340521123 - 2²¹ = 10338423971 is a prime.

It is a super-2 number, since 2×10340521123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10340521094 and 10340521103.

It is not a weakly prime, because it can be changed into another prime (10340521193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5170260561 + 5170260562.

It is an arithmetic number, because the mean of its divisors is an integer number (5170260562).

Almost surely, 2^10340521123 is an apocalyptic number.

10340521123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10340521123 is an equidigital number, since it uses as much as digits as its factorization.

10340521123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The spelling of 10340521123 in words is "ten billion, three hundred forty million, five hundred twenty-one thousand, one hundred twenty-three".