11404523000 has 128 divisors (see below), whose sum is σ = 29228472000. Its totient is φ = 4139251200.

The previous prime is 11404522993. The next prime is 11404523017. The reversal of 11404523000 is 32540411.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 759566 + ... + 774434.

Almost surely, 2^11404523000 is an apocalyptic number.

11404523000 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 11404523000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14614236000).

11404523000 is an abundant number, since it is smaller than the sum of its proper divisors (17823949000).

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

11404523000 is a wasteful number, since it uses less digits than its factorization.

11404523000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14962 (or 14948 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The spelling of 11404523000 in words is "eleven billion, four hundred four million, five hundred twenty-three thousand".