3420043043023 has 4 divisors (see below), whose sum is σ = 3420725555128. Its totient is φ = 3419360530920.

The previous prime is 3420043042963. The next prime is 3420043043041. The reversal of 3420043043023 is 3203403400243.

3420043043023 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 a de Polignac number, because none of the positive numbers 2^k-3420043043023 is a prime.

It is a super-3 number, since 3×3420043043023³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3420043042982 and 3420043043000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420043043093) 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, 341248536 + ... + 341258557.

It is an arithmetic number, because the mean of its divisors is an integer number (855181388782).

Almost surely, 2^{3420043043023} is an apocalyptic number.

3420043043023 is a deficient number, since it is larger than the sum of its proper divisors (682512105).

3420043043023 is an equidigital number, since it uses as much as digits as its factorization.

3420043043023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682512104.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 3420043043023 its reverse (3203403400243), we get a palindrome (6623446443266).

The spelling of 3420043043023 in words is "three trillion, four hundred twenty billion, forty-three million, forty-three thousand, twenty-three".