1123313231230 has 16 divisors (see below), whose sum is σ = 2023398876240. Its totient is φ = 449006390272.

The previous prime is 1123313231219. The next prime is 1123313231263. The reversal of 1123313231230 is 321323133211.

It is a junction number, because it is equal to n+sod(n) for n = 1123313231195 and 1123313231204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39847984 + ... + 39876163.

It is an arithmetic number, because the mean of its divisors is an integer number (126462429765).

Almost surely, 2^{1123313231230} is an apocalyptic number.

1123313231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123313231230 is a deficient number, since it is larger than the sum of its proper divisors (900085645010).

1123313231230 is a wasteful number, since it uses less digits than its factorization.

1123313231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79725563.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1123313231230 its reverse (321323133211), we get a palindrome (1444636364441).

The spelling of 1123313231230 in words is "one trillion, one hundred twenty-three billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred thirty".