1100231023320 has 512 divisors, whose sum is σ = 4562054784000. Its totient is φ = 231722311680.

The previous prime is 1100231023313. The next prime is 1100231023321. The reversal of 1100231023320 is 233201320011.

1100231023320 is a `hidden beast` number, since 1 + 10 + 0 + 2 + 310 + 23 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1100231023293 and 1100231023302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100231023321) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2415951 + ... + 2835009.

It is an arithmetic number, because the mean of its divisors is an integer number (8910263250).

Almost surely, 2^{1100231023320} is an apocalyptic number.

1100231023320 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 1100231023320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2281027392000).

1100231023320 is an abundant number, since it is smaller than the sum of its proper divisors (3461823760680).

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

1100231023320 is a wasteful number, since it uses less digits than its factorization.

1100231023320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419120 (or 419110 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1100231023320 its reverse (233201320011), we get a palindrome (1333432343331).

The spelling of 1100231023320 in words is "one trillion, one hundred billion, two hundred thirty-one million, twenty-three thousand, three hundred twenty".