1123344445679 has 4 divisors (see below), whose sum is σ = 1123964737080. Its totient is φ = 1122724154280.

The previous prime is 1123344445667. The next prime is 1123344445681. The reversal of 1123344445679 is 9765444433211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123344445679 - 2³² = 1119049478383 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1123344445679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123344445609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310142984 + ... + 310146605.

It is an arithmetic number, because the mean of its divisors is an integer number (280991184270).

Almost surely, 2^{1123344445679} is an apocalyptic number.

1123344445679 is a deficient number, since it is larger than the sum of its proper divisors (620291401).

1123344445679 is an equidigital number, since it uses as much as digits as its factorization.

1123344445679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620291400.

The product of its digits is 8709120, while the sum is 53.

The spelling of 1123344445679 in words is "one trillion, one hundred twenty-three billion, three hundred forty-four million, four hundred forty-five thousand, six hundred seventy-nine".