1223667000617 has 4 divisors (see below), whose sum is σ = 1295647412436. Its totient is φ = 1151686588800.

The previous prime is 1223667000571. The next prime is 1223667000623. The reversal of 1223667000617 is 7160007663221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1126886279401 + 96780721216 = 1061549^2 + 311096^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223667000617 - 2⁶ = 1223667000553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223667000637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35990205884 + ... + 35990205917.

It is an arithmetic number, because the mean of its divisors is an integer number (323911853109).

Almost surely, 2^{1223667000617} is an apocalyptic number.

1223667000617 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1223667000617 is a deficient number, since it is larger than the sum of its proper divisors (71980411819).

1223667000617 is an equidigital number, since it uses as much as digits as its factorization.

1223667000617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71980411818.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 1223667000617 in words is "one trillion, two hundred twenty-three billion, six hundred sixty-seven million, six hundred seventeen", and thus it is an aban number.