1123230101100 has 144 divisors (see below), whose sum is σ = 3339770907648. Its totient is φ = 291253052160.

The previous prime is 1123230101093. The next prime is 1123230101107. The reversal of 1123230101100 is 11010323211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1123230101093) and next prime (1123230101107).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1123230101100.

It is not an unprimeable number, because it can be changed into a prime (1123230101107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18473349 + ... + 18534051.

Almost surely, 2^{1123230101100} is an apocalyptic number.

1123230101100 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 1123230101100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1669885453824).

1123230101100 is an abundant number, since it is smaller than the sum of its proper divisors (2216540806548).

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

1123230101100 is a wasteful number, since it uses less digits than its factorization.

1123230101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62424 (or 62417 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1123230101100 its reverse (11010323211), we get a palindrome (1134240424311).

The spelling of 1123230101100 in words is "one trillion, one hundred twenty-three billion, two hundred thirty million, one hundred one thousand, one hundred".