3605123 has 4 divisors (see below), whose sum is σ = 3645720. Its totient is φ = 3564528.

The previous prime is 3605111. The next prime is 3605141. The reversal of 3605123 is 3215063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3215063 = 79 ⋅40697.

It is a cyclic number.

It is not a de Polignac number, because 3605123 - 2⁶ = 3605059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3605095 and 3605104.

It is not an unprimeable number, because it can be changed into a prime (3605143) 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, 20165 + ... + 20342.

It is an arithmetic number, because the mean of its divisors is an integer number (911430).

Almost surely, 2^3605123 is an apocalyptic number.

3605123 is a deficient number, since it is larger than the sum of its proper divisors (40597).

3605123 is an equidigital number, since it uses as much as digits as its factorization.

3605123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40596.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3605123 is about 1898.7161451886. The cubic root of 3605123 is about 153.3345520802.

The spelling of 3605123 in words is "three million, six hundred five thousand, one hundred twenty-three".