3623523 has 4 divisors (see below), whose sum is σ = 4831368. Its totient is φ = 2415680.

The previous prime is 3623519. The next prime is 3623537. The reversal of 3623523 is 3253263.

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 3623523 - 2² = 3623519 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 3623493 and 3623502.

It is not an unprimeable number, because it can be changed into a prime (3623423) 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, 603918 + ... + 603923.

It is an arithmetic number, because the mean of its divisors is an integer number (1207842).

Almost surely, 2^3623523 is an apocalyptic number.

3623523 is a deficient number, since it is larger than the sum of its proper divisors (1207845).

3623523 is a wasteful number, since it uses less digits than its factorization.

3623523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207844.

The product of its digits is 3240, while the sum is 24.

The square root of 3623523 is about 1903.5553577451. Note that the first 3 decimals coincide. The cubic root of 3623523 is about 153.5949749468.

Adding to 3623523 its reverse (3253263), we get a palindrome (6876786).

The spelling of 3623523 in words is "three million, six hundred twenty-three thousand, five hundred twenty-three".