11204523 has 12 divisors (see below), whose sum is σ = 17655768. Its totient is φ = 6790560.

The previous prime is 11204503. The next prime is 11204537. The reversal of 11204523 is 32540211.

It is not a de Polignac number, because 11204523 - 2⁸ = 11204267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11204496 and 11204505.

It is not an unprimeable number, because it can be changed into a prime (11204503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56490 + ... + 56687.

It is an arithmetic number, because the mean of its divisors is an integer number (1471314).

Almost surely, 2^11204523 is an apocalyptic number.

11204523 is a deficient number, since it is larger than the sum of its proper divisors (6451245).

11204523 is a wasteful number, since it uses less digits than its factorization.

11204523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113194 (or 113191 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 11204523 is about 3347.3157903012. The cubic root of 11204523 is about 223.7679023991.

Adding to 11204523 its reverse (32540211), we get a palindrome (43744734).

The spelling of 11204523 in words is "eleven million, two hundred four thousand, five hundred twenty-three".