11423228928 has 176 divisors, whose sum is σ = 31628999424. Its totient is φ = 3662807040.

The previous prime is 11423228923. The next prime is 11423228939. The reversal of 11423228928 is 82982232411.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11423228928.

It is not an unprimeable number, because it can be changed into a prime (11423228923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8806776 + ... + 8808072.

It is an arithmetic number, because the mean of its divisors is an integer number (179710224).

Almost surely, 2^11423228928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11423228928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15814499712).

11423228928 is an abundant number, since it is smaller than the sum of its proper divisors (20205770496).

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

11423228928 is a wasteful number, since it uses less digits than its factorization.

11423228928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1410 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The spelling of 11423228928 in words is "eleven billion, four hundred twenty-three million, two hundred twenty-eight thousand, nine hundred twenty-eight".