1123023020130 has 112 divisors (see below), whose sum is σ = 3306301006464. Its totient is φ = 272247985440.

The previous prime is 1123023020123. The next prime is 1123023020131. The reversal of 1123023020130 is 310203203211.

1123023020130 is a `hidden beast` number, since 1 + 1 + 230 + 2 + 302 + 0 + 130 = 666.

It is a super-2 number, since 2×1123023020130² (a number of 25 digits) contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1123023020131) 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 55 ways as a sum of consecutive naturals, for example, 6922074 + ... + 7082453.

Almost surely, 2^{1123023020130} is an apocalyptic number.

1123023020130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123023020130 is an abundant number, since it is smaller than the sum of its proper divisors (2183277986334).

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

1123023020130 is a wasteful number, since it uses less digits than its factorization.

1123023020130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14004563 (or 14004548 counting only the distinct ones).

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

Adding to 1123023020130 its reverse (310203203211), we get a palindrome (1433226223341).

The spelling of 1123023020130 in words is "one trillion, one hundred twenty-three billion, twenty-three million, twenty thousand, one hundred thirty".