3123223615522 has 16 divisors (see below), whose sum is σ = 4730627221632. Its totient is φ = 1546349849280.

The previous prime is 3123223615493. The next prime is 3123223615543. The reversal of 3123223615522 is 2255163223213.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2729322 + ... + 3700762.

It is an arithmetic number, because the mean of its divisors is an integer number (295664201352).

Almost surely, 2^{3123223615522} is an apocalyptic number.

3123223615522 is a deficient number, since it is larger than the sum of its proper divisors (1607403606110).

3123223615522 is a wasteful number, since it uses less digits than its factorization.

3123223615522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987153.

The product of its digits is 129600, while the sum is 37.

Adding to 3123223615522 its reverse (2255163223213), we get a palindrome (5378386838735).

It can be divided in two parts, 3123223 and 615522, that added together give a triangular number (3738745 = T₂₇₃₄).

The spelling of 3123223615522 in words is "three trillion, one hundred twenty-three billion, two hundred twenty-three million, six hundred fifteen thousand, five hundred twenty-two".