11725523 has 4 divisors (see below), whose sum is σ = 11736240. Its totient is φ = 11714808.

The previous prime is 11725517. The next prime is 11725537. The reversal of 11725523 is 32552711.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11725523 - 2⁴ = 11725507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11725492 and 11725501.

It is not an unprimeable number, because it can be changed into a prime (11725543) 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, 3503 + ... + 5976.

It is an arithmetic number, because the mean of its divisors is an integer number (2934060).

Almost surely, 2^11725523 is an apocalyptic number.

11725523 is a deficient number, since it is larger than the sum of its proper divisors (10717).

11725523 is an equidigital number, since it uses as much as digits as its factorization.

11725523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716.

The product of its digits is 2100, while the sum is 26.

The square root of 11725523 is about 3424.2551014783. The cubic root of 11725523 is about 227.1838251706.

The spelling of 11725523 in words is "eleven million, seven hundred twenty-five thousand, five hundred twenty-three".