3215606065123 has 4 divisors (see below), whose sum is σ = 3216453842728. Its totient is φ = 3214758287520.

The previous prime is 3215606065121. The next prime is 3215606065141.

3215606065123 is nontrivially palindromic in base 10.

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 3215606065123 - 2¹ = 3215606065121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3215606065121) 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 in 3 ways as a sum of consecutive naturals, for example, 423883113 + ... + 423890698.

It is an arithmetic number, because the mean of its divisors is an integer number (804113460682).

Almost surely, 2^{3215606065123} is an apocalyptic number.

3215606065123 is a deficient number, since it is larger than the sum of its proper divisors (847777605).

3215606065123 is an equidigital number, since it uses as much as digits as its factorization.

3215606065123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847777604.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 3215606065123 in words is "three trillion, two hundred fifteen billion, six hundred six million, sixty-five thousand, one hundred twenty-three".