11023530 has 48 divisors (see below), whose sum is σ = 30780000. Its totient is φ = 2519328.

The previous prime is 11023517. The next prime is 11023541. The reversal of 11023530 is 3532011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2280 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (641250).

Almost surely, 2^11023530 is an apocalyptic number.

11023530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11023530 is an abundant number, since it is smaller than the sum of its proper divisors (19756470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11023530 is a wasteful number, since it uses less digits than its factorization.

11023530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7523 (or 7516 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 11023530 is about 3320.1701763614. The cubic root of 11023530 is about 222.5564726410.

Adding to 11023530 its reverse (3532011), we get a palindrome (14555541).

The spelling of 11023530 in words is "eleven million, twenty-three thousand, five hundred thirty".