1123353044817 has 4 divisors (see below), whose sum is σ = 1497804059760. Its totient is φ = 748902029876.

The previous prime is 1123353044777. The next prime is 1123353044887. The reversal of 1123353044817 is 7184403533211.

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 1123353044817 - 2¹⁴ = 1123353028433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123353044887) 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, 187225507467 + ... + 187225507472.

It is an arithmetic number, because the mean of its divisors is an integer number (374451014940).

Almost surely, 2^{1123353044817} is an apocalyptic number.

It is an amenable number.

1123353044817 is a deficient number, since it is larger than the sum of its proper divisors (374451014943).

1123353044817 is an equidigital number, since it uses as much as digits as its factorization.

1123353044817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374451014942.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 1123353044817 in words is "one trillion, one hundred twenty-three billion, three hundred fifty-three million, forty-four thousand, eight hundred seventeen".