3426145646123 has 2 divisors, whose sum is σ = 3426145646124. Its totient is φ = 3426145646122.

The previous prime is 3426145646113. The next prime is 3426145646129. The reversal of 3426145646123 is 3216465416243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3426145646123 - 2⁴ = 3426145646107 is a prime.

It is a super-2 number, since 2×3426145646123² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3426145646129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713072823061 + 1713072823062.

It is an arithmetic number, because the mean of its divisors is an integer number (1713072823062).

Almost surely, 2^{3426145646123} is an apocalyptic number.

3426145646123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3426145646123 is an equidigital number, since it uses as much as digits as its factorization.

3426145646123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 47.

The spelling of 3426145646123 in words is "three trillion, four hundred twenty-six billion, one hundred forty-five million, six hundred forty-six thousand, one hundred twenty-three".