11343423455320 has 96 divisors (see below), whose sum is σ = 28121361798960. Its totient is φ = 4084039232000.

The previous prime is 11343423455263. The next prime is 11343423455321. The reversal of 11343423455320 is 2355432434311.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343423455321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3224814 + ... + 5752066.

Almost surely, 2^{11343423455320} is an apocalyptic number.

11343423455320 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 11343423455320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14060680899480).

11343423455320 is an abundant number, since it is smaller than the sum of its proper divisors (16777938343640).

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

11343423455320 is a wasteful number, since it uses less digits than its factorization.

11343423455320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527477 (or 2527372 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 11343423455320 its reverse (2355432434311), we get a palindrome (13698855889631).

The spelling of 11343423455320 in words is "eleven trillion, three hundred forty-three billion, four hundred twenty-three million, four hundred fifty-five thousand, three hundred twenty".