3123523 has 4 divisors (see below), whose sum is σ = 3363808. Its totient is φ = 2883240.

The previous prime is 3123521. The next prime is 3123541. The reversal of 3123523 is 3253213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3253213 = 601 ⋅5413.

It is a cyclic number.

It is not a de Polignac number, because 3123523 - 2¹ = 3123521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3123523.

It is not an unprimeable number, because it can be changed into a prime (3123521) 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, 120123 + ... + 120148.

It is an arithmetic number, because the mean of its divisors is an integer number (840952).

Almost surely, 2^3123523 is an apocalyptic number.

3123523 is a deficient number, since it is larger than the sum of its proper divisors (240285).

3123523 is a wasteful number, since it uses less digits than its factorization.

3123523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240284.

The product of its digits is 540, while the sum is 19.

The square root of 3123523 is about 1767.3491449060. The cubic root of 3123523 is about 146.1778498184.

Adding to 3123523 its reverse (3253213), we get a palindrome (6376736).

The spelling of 3123523 in words is "three million, one hundred twenty-three thousand, five hundred twenty-three".