3520003518623 has 2 divisors, whose sum is σ = 3520003518624. Its totient is φ = 3520003518622.

The previous prime is 3520003518617. The next prime is 3520003518677. The reversal of 3520003518623 is 3268153000253.

3520003518623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (3268153000253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3520003518623 - 2³⁰ = 3518929776799 is a prime.

It is a super-3 number, since 3×3520003518623³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3520003518613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760001759311 + 1760001759312.

It is an arithmetic number, because the mean of its divisors is an integer number (1760001759312).

Almost surely, 2^{3520003518623} is an apocalyptic number.

3520003518623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3520003518623 is an equidigital number, since it uses as much as digits as its factorization.

3520003518623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 3520003518623 its reverse (3268153000253), we get a palindrome (6788156518876).

The spelling of 3520003518623 in words is "three trillion, five hundred twenty billion, three million, five hundred eighteen thousand, six hundred twenty-three".