1223344567896 has 128 divisors (see below), whose sum is σ = 3420529136640. Its totient is φ = 361395216000.

The previous prime is 1223344567889. The next prime is 1223344567897. The reversal of 1223344567896 is 6987654433221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223344567897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5834071 + ... + 6040121.

It is an arithmetic number, because the mean of its divisors is an integer number (26722883880).

Almost surely, 2^{1223344567896} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223344567896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710264568320).

1223344567896 is an abundant number, since it is smaller than the sum of its proper divisors (2197184568744).

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

1223344567896 is a wasteful number, since it uses less digits than its factorization.

1223344567896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206637 (or 206633 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 60.

The spelling of 1223344567896 in words is "one trillion, two hundred twenty-three billion, three hundred forty-four million, five hundred sixty-seven thousand, eight hundred ninety-six".