11023203400 has 192 divisors, whose sum is σ = 29560608000. Its totient is φ = 3780691200.

The previous prime is 11023203391. The next prime is 11023203439. The reversal of 11023203400 is 430232011.

It is a happy number.

It is a super-2 number, since 2×11023203400² (a number of 21 digits) contains 22 as substring.

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, 12832171 + ... + 12833029.

It is an arithmetic number, because the mean of its divisors is an integer number (153961500).

Almost surely, 2^11023203400 is an apocalyptic number.

11023203400 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 11023203400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14780304000).

11023203400 is an abundant number, since it is smaller than the sum of its proper divisors (18537404600).

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

11023203400 is a wasteful number, since it uses less digits than its factorization.

11023203400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 11023203400 its reverse (430232011), we get a palindrome (11453435411).

The spelling of 11023203400 in words is "eleven billion, twenty-three million, two hundred three thousand, four hundred".