3520423260523 has 12 divisors (see below), whose sum is σ = 3816665607528. Its totient is φ = 3245691933120.

The previous prime is 3520423260499. The next prime is 3520423260559. The reversal of 3520423260523 is 3250623240253.

It is not a de Polignac number, because 3520423260523 - 2³⁷ = 3382984307051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3520423260593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12454498 + ... + 12734023.

It is an arithmetic number, because the mean of its divisors is an integer number (318055467294).

Almost surely, 2^{3520423260523} is an apocalyptic number.

3520423260523 is a deficient number, since it is larger than the sum of its proper divisors (296242347005).

3520423260523 is a wasteful number, since it uses less digits than its factorization.

3520423260523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25189374 (or 25189361 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

The spelling of 3520423260523 in words is "three trillion, five hundred twenty billion, four hundred twenty-three million, two hundred sixty thousand, five hundred twenty-three".