11203023330 has 80 divisors (see below), whose sum is σ = 30209792184. Its totient is φ = 2978933760.

The previous prime is 11203023277. The next prime is 11203023343. The reversal of 11203023330 is 3332030211.

11203023330 is a `hidden beast` number, since 11 + 20 + 302 + 3 + 330 = 666.

11203023330 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10282568409 + 920454921 = 101403^2 + 30339^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 266340 + ... + 305520.

Almost surely, 2^11203023330 is an apocalyptic number.

11203023330 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 11203023330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15104896092).

11203023330 is an abundant number, since it is smaller than the sum of its proper divisors (19006768854).

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

11203023330 is a wasteful number, since it uses less digits than its factorization.

11203023330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39553 (or 39544 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 11203023330 its reverse (3332030211), we get a palindrome (14535053541).

The spelling of 11203023330 in words is "eleven billion, two hundred three million, twenty-three thousand, three hundred thirty".