3213556553123 has 16 divisors (see below), whose sum is σ = 3891604091904. Its totient is φ = 2590495240320.

The previous prime is 3213556553111. The next prime is 3213556553131.

3213556553123 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3213556553123 - 2⁸ = 3213556552867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213556553153) 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 15 ways as a sum of consecutive naturals, for example, 10017173 + ... + 10332998.

It is an arithmetic number, because the mean of its divisors is an integer number (243225255744).

Almost surely, 2^{3213556553123} is an apocalyptic number.

3213556553123 is a deficient number, since it is larger than the sum of its proper divisors (678047538781).

3213556553123 is a wasteful number, since it uses less digits than its factorization.

3213556553123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20351522.

The product of its digits is 1215000, while the sum is 44.

The spelling of 3213556553123 in words is "three trillion, two hundred thirteen billion, five hundred fifty-six million, five hundred fifty-three thousand, one hundred twenty-three".