11423191891200 has 432 divisors, whose sum is σ = 37836787623936. Its totient is φ = 3035070259200.

The previous prime is 11423191891193. The next prime is 11423191891219. The reversal of 11423191891200 is 219819132411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10746181869 + ... + 10746182931.

Almost surely, 2^{11423191891200} is an apocalyptic number.

11423191891200 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 11423191891200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18918393811968).

11423191891200 is an abundant number, since it is smaller than the sum of its proper divisors (26413595732736).

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

11423191891200 is a wasteful number, since it uses less digits than its factorization.

11423191891200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610 (or 2591 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 42.

The spelling of 11423191891200 in words is "eleven trillion, four hundred twenty-three billion, one hundred ninety-one million, eight hundred ninety-one thousand, two hundred".