1223331105644 has 12 divisors (see below), whose sum is σ = 2159774828904. Its totient is φ = 606252583104.

The previous prime is 1223331105637. The next prime is 1223331105713. The reversal of 1223331105644 is 4465011333221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353241922 + ... + 1353242825.

It is an arithmetic number, because the mean of its divisors is an integer number (179981235742).

Almost surely, 2^{1223331105644} is an apocalyptic number.

It is an amenable number.

1223331105644 is a deficient number, since it is larger than the sum of its proper divisors (936443723260).

1223331105644 is a wasteful number, since it uses less digits than its factorization.

1223331105644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706484864 (or 2706484862 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 1223331105644 its reverse (4465011333221), we get a palindrome (5688342438865).

The spelling of 1223331105644 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-one million, one hundred five thousand, six hundred forty-four".