1223444688368 has 20 divisors (see below), whose sum is σ = 2709056095920. Its totient is φ = 524333437824.

The previous prime is 1223444688331. The next prime is 1223444688407. The reversal of 1223444688368 is 8638864443221.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 5461806533 + ... + 5461806756.

It is an arithmetic number, because the mean of its divisors is an integer number (135452804796).

Almost surely, 2^{1223444688368} is an apocalyptic number.

It is an amenable number.

1223444688368 is an abundant number, since it is smaller than the sum of its proper divisors (1485611407552).

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

1223444688368 is a wasteful number, since it uses less digits than its factorization.

1223444688368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10923613304 (or 10923613298 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 59.

The spelling of 1223444688368 in words is "one trillion, two hundred twenty-three billion, four hundred forty-four million, six hundred eighty-eight thousand, three hundred sixty-eight".