11323100640 has 192 divisors, whose sum is σ = 36391057920. Its totient is φ = 2958612480.

The previous prime is 11323100543. The next prime is 11323100669. The reversal of 11323100640 is 4600132311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13791430 + ... + 13792250.

It is an arithmetic number, because the mean of its divisors is an integer number (189536760).

Almost surely, 2^11323100640 is an apocalyptic number.

11323100640 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 11323100640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18195528960).

11323100640 is an abundant number, since it is smaller than the sum of its proper divisors (25067957280).

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

11323100640 is a wasteful number, since it uses less digits than its factorization.

11323100640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11323100640 its reverse (4600132311), we get a palindrome (15923232951).

The spelling of 11323100640 in words is "eleven billion, three hundred twenty-three million, one hundred thousand, six hundred forty".