11123022320 has 40 divisors (see below), whose sum is σ = 25995057936. Its totient is φ = 4426149888.

The previous prime is 11123022319. The next prime is 11123022343. The reversal of 11123022320 is 2322032111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344762 + ... + 375641.

Almost surely, 2^11123022320 is an apocalyptic number.

11123022320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123022320 is an abundant number, since it is smaller than the sum of its proper divisors (14872035616).

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

11123022320 is a wasteful number, since it uses less digits than its factorization.

11123022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720609 (or 720603 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11123022320 its reverse (2322032111), we get a palindrome (13445054431).

The spelling of 11123022320 in words is "eleven billion, one hundred twenty-three million, twenty-two thousand, three hundred twenty".