1123220223244 has 48 divisors (see below), whose sum is σ = 2324063649600. Its totient is φ = 464748834816.

The previous prime is 1123220223221. The next prime is 1123220223311. The reversal of 1123220223244 is 4423220223211.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14519772 + ... + 14596924.

It is an arithmetic number, because the mean of its divisors is an integer number (48417992700).

Almost surely, 2^{1123220223244} is an apocalyptic number.

1123220223244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1123220223244 is an abundant number, since it is smaller than the sum of its proper divisors (1200843426356).

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

1123220223244 is a wasteful number, since it uses less digits than its factorization.

1123220223244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95122 (or 95120 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1123220223244 its reverse (4423220223211), we get a palindrome (5546440446455).

The spelling of 1123220223244 in words is "one trillion, one hundred twenty-three billion, two hundred twenty million, two hundred twenty-three thousand, two hundred forty-four".