3220742423423 has 16 divisors (see below), whose sum is σ = 3684150598656. Its totient is φ = 2758160341440.

The previous prime is 3220742423411. The next prime is 3220742423449. The reversal of 3220742423423 is 3243242470223.

It is not a de Polignac number, because 3220742423423 - 2⁸ = 3220742423167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220742423453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89668838 + ... + 89704748.

It is an arithmetic number, because the mean of its divisors is an integer number (230259412416).

Almost surely, 2^{3220742423423} is an apocalyptic number.

3220742423423 is a deficient number, since it is larger than the sum of its proper divisors (463408175233).

3220742423423 is a wasteful number, since it uses less digits than its factorization.

3220742423423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47054.

The product of its (nonzero) digits is 387072, while the sum is 38.

Adding to 3220742423423 its reverse (3243242470223), we get a palindrome (6463984893646).

The spelling of 3220742423423 in words is "three trillion, two hundred twenty billion, seven hundred forty-two million, four hundred twenty-three thousand, four hundred twenty-three".