3520123 has 4 divisors (see below), whose sum is σ = 3524688. Its totient is φ = 3515560.

The previous prime is 3520093. The next prime is 3520141. The reversal of 3520123 is 3210253.

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 3520123 - 2⁵ = 3520091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3520097 and 3520106.

It is not an unprimeable number, because it can be changed into a prime (3520163) 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, 808 + ... + 2773.

It is an arithmetic number, because the mean of its divisors is an integer number (881172).

Almost surely, 2^3520123 is an apocalyptic number.

3520123 is a deficient number, since it is larger than the sum of its proper divisors (4565).

3520123 is an equidigital number, since it uses as much as digits as its factorization.

3520123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 3520123 is about 1876.1990832532. The cubic root of 3520123 is about 152.1198702399.

Adding to 3520123 its reverse (3210253), we get a palindrome (6730376).

The spelling of 3520123 in words is "three million, five hundred twenty thousand, one hundred twenty-three".