1123823263217 has 4 divisors (see below), whose sum is σ = 1131265801536. Its totient is φ = 1116380724900.

The previous prime is 1123823263183. The next prime is 1123823263223. The reversal of 1123823263217 is 7123623283211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1123823263217 - 2²⁴ = 1123806486001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123823262217) 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, 3721268933 + ... + 3721269234.

It is an arithmetic number, because the mean of its divisors is an integer number (282816450384).

Almost surely, 2^{1123823263217} is an apocalyptic number.

It is an amenable number.

1123823263217 is a deficient number, since it is larger than the sum of its proper divisors (7442538319).

1123823263217 is an equidigital number, since it uses as much as digits as its factorization.

1123823263217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7442538318.

The product of its digits is 145152, while the sum is 41.

The spelling of 1123823263217 in words is "one trillion, one hundred twenty-three billion, eight hundred twenty-three million, two hundred sixty-three thousand, two hundred seventeen".