3421234643623 has 4 divisors (see below), whose sum is σ = 3513700444840. Its totient is φ = 3328768842408.

The previous prime is 3421234643621. The next prime is 3421234643683. The reversal of 3421234643623 is 3263464321243.

3421234643623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3421234643623 - 2¹ = 3421234643621 is a prime.

It is a super-2 number, since 2×3421234643623² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3421234643623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421234643621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46232900553 + ... + 46232900626.

It is an arithmetic number, because the mean of its divisors is an integer number (878425111210).

Almost surely, 2^{3421234643623} is an apocalyptic number.

3421234643623 is a deficient number, since it is larger than the sum of its proper divisors (92465801217).

3421234643623 is an equidigital number, since it uses as much as digits as its factorization.

3421234643623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92465801216.

The product of its digits is 1492992, while the sum is 43.

Adding to 3421234643623 its reverse (3263464321243), we get a palindrome (6684698964866).

The spelling of 3421234643623 in words is "three trillion, four hundred twenty-one billion, two hundred thirty-four million, six hundred forty-three thousand, six hundred twenty-three".