11233530 has 96 divisors (see below), whose sum is σ = 36436608. Its totient is φ = 2332800.

The previous prime is 11233513. The next prime is 11233553. The reversal of 11233530 is 3533211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6120 + ... + 7740.

It is an arithmetic number, because the mean of its divisors is an integer number (379548).

Almost surely, 2^11233530 is an apocalyptic number.

11233530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11233530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18218304).

11233530 is an abundant number, since it is smaller than the sum of its proper divisors (25203078).

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

11233530 is a wasteful number, since it uses less digits than its factorization.

11233530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 11233530 is about 3351.6458643478. The cubic root of 11233530 is about 223.9608376476.

Adding to 11233530 its reverse (3533211), we get a palindrome (14766741).

The spelling of 11233530 in words is "eleven million, two hundred thirty-three thousand, five hundred thirty".