1101100323123 has 16 divisors (see below), whose sum is σ = 1631303101440. Its totient is φ = 734047368552.

The previous prime is 1101100323121. The next prime is 1101100323161. The reversal of 1101100323123 is 3213230011011.

1101100323123 is a `hidden beast` number, since 110 + 110 + 0 + 323 + 123 = 666.

It is not a de Polignac number, because 1101100323123 - 2¹ = 1101100323121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101100323096 and 1101100323105.

It is not an unprimeable number, because it can be changed into a prime (1101100323121) 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 15 ways as a sum of consecutive naturals, for example, 531090 + ... + 1576152.

It is an arithmetic number, because the mean of its divisors is an integer number (101956443840).

Almost surely, 2^{1101100323123} is an apocalyptic number.

1101100323123 is a deficient number, since it is larger than the sum of its proper divisors (530202778317).

1101100323123 is a wasteful number, since it uses less digits than its factorization.

1101100323123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084095 (or 1084089 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1101100323123 its reverse (3213230011011), we get a palindrome (4314330334134).

The spelling of 1101100323123 in words is "one trillion, one hundred one billion, one hundred million, three hundred twenty-three thousand, one hundred twenty-three".