1123331220330 has 64 divisors (see below), whose sum is σ = 2941268115456. Its totient is φ = 272305800000.

The previous prime is 1123331220317. The next prime is 1123331220373. The reversal of 1123331220330 is 330221333211.

It is a self number, because there is not a number n which added to its sum of digits gives 1123331220330.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5694855 + ... + 5888805.

It is an arithmetic number, because the mean of its divisors is an integer number (45957314304).

Almost surely, 2^{1123331220330} is an apocalyptic number.

1123331220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123331220330 is an abundant number, since it is smaller than the sum of its proper divisors (1817936895126).

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

1123331220330 is a wasteful number, since it uses less digits than its factorization.

1123331220330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211523.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1123331220330 its reverse (330221333211), we get a palindrome (1453552553541).

The spelling of 1123331220330 in words is "one trillion, one hundred twenty-three billion, three hundred thirty-one million, two hundred twenty thousand, three hundred thirty".