11875523 has 4 divisors (see below), whose sum is σ = 12955128. Its totient is φ = 10795920.

The previous prime is 11875519. The next prime is 11875553. The reversal of 11875523 is 32557811.

11875523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11875523 - 2² = 11875519 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 11875523.

It is not an unprimeable number, because it can be changed into a prime (11875553) 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, 539786 + ... + 539807.

It is an arithmetic number, because the mean of its divisors is an integer number (3238782).

Almost surely, 2^11875523 is an apocalyptic number.

11875523 is a deficient number, since it is larger than the sum of its proper divisors (1079605).

11875523 is a wasteful number, since it uses less digits than its factorization.

11875523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079604.

The product of its digits is 8400, while the sum is 32.

The square root of 11875523 is about 3446.0880720028. The cubic root of 11875523 is about 228.1484810508.

The spelling of 11875523 in words is "eleven million, eight hundred seventy-five thousand, five hundred twenty-three".