11231430400 has 54 divisors (see below), whose sum is σ = 27799560992. Its totient is φ = 4492569600.

The previous prime is 11231430391. The next prime is 11231430421. The reversal of 11231430400 is 403413211.

It is a super-2 number, since 2×11231430400² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 871056 + ... + 883855.

Almost surely, 2^11231430400 is an apocalyptic number.

11231430400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231430400 is an abundant number, since it is smaller than the sum of its proper divisors (16568130592).

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

11231430400 is an equidigital number, since it uses as much as digits as its factorization.

11231430400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754937 (or 1754918 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11231430400 its reverse (403413211), we get a palindrome (11634843611).

The spelling of 11231430400 in words is "eleven billion, two hundred thirty-one million, four hundred thirty thousand, four hundred".