11243123400 has 384 divisors, whose sum is σ = 39164636160. Its totient is φ = 2656972800.

The previous prime is 11243123399. The next prime is 11243123401. The reversal of 11243123400 is 432134211.

It is an interprime number because it is at equal distance from previous prime (11243123399) and next prime (11243123401).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243123401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 303868182 + ... + 303868218.

It is an arithmetic number, because the mean of its divisors is an integer number (101991240).

Almost surely, 2^11243123400 is an apocalyptic number.

11243123400 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 11243123400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19582318080).

11243123400 is an abundant number, since it is smaller than the sum of its proper divisors (27921512760).

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

11243123400 is a wasteful number, since it uses less digits than its factorization.

11243123400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11243123400 its reverse (432134211), we get a palindrome (11675257611).

The spelling of 11243123400 in words is "eleven billion, two hundred forty-three million, one hundred twenty-three thousand, four hundred".