11320023120 has 120 divisors (see below), whose sum is σ = 40821431904. Its totient is φ = 2587431168.

The previous prime is 11320023103. The next prime is 11320023149. The reversal of 11320023120 is 2132002311.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a self number, because there is not a number n which added to its sum of digits gives 11320023120.

It is a congruent number.

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, 469534 + ... + 493053.

Almost surely, 2^11320023120 is an apocalyptic number.

11320023120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11320023120 is an abundant number, since it is smaller than the sum of its proper divisors (29501408784).

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

11320023120 is a wasteful number, since it uses less digits than its factorization.

11320023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962617 (or 962604 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11320023120 its reverse (2132002311), we get a palindrome (13452025431).

The spelling of 11320023120 in words is "eleven billion, three hundred twenty million, twenty-three thousand, one hundred twenty".