11423404080 has 400 divisors, whose sum is σ = 44300450304. Its totient is φ = 2704181760.

The previous prime is 11423404079. The next prime is 11423404081. The reversal of 11423404080 is 8040432411.

It is an interprime number because it is at equal distance from previous prime (11423404079) and next prime (11423404081).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11423404081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3063177 + ... + 3066903.

Almost surely, 2^11423404080 is an apocalyptic number.

11423404080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11423404080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22150225152).

11423404080 is an abundant number, since it is smaller than the sum of its proper divisors (32877046224).

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

11423404080 is a wasteful number, since it uses less digits than its factorization.

11423404080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806 (or 3791 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 11423404080 its reverse (8040432411), we get a palindrome (19463836491).

The spelling of 11423404080 in words is "eleven billion, four hundred twenty-three million, four hundred four thousand, eighty".